{"title":"Spirovent Quad® Hydraulic Separator","description":"\u003cdiv style=\"text-align: center;\"\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eSpirovent Quad® Hydraulic Separator\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003eUnlike other products, which are empty vessels or include only a baffle plate, the Spirovent Quad \u003cstrong\u003eVDX \u003c\/strong\u003ecombines the features and benefits of the industry leading Spirovent® air eliminator and Spirotrap® dirt separator with a center chamber between the four nozzles.  Used primarily as a hydraulic separator in a low loss header design, it is available in brass from 1\" through 2\" and steel through 12\" as standard products.  Larger custom sizes can be reviewed per application.\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e \u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003eOur patented coalescing element and dirt separation medium completely fills the internal volume of the vessel providing unsurpassed efficiency. Connections have been engineered and placed to allow for the ultimate in hydraulic balance.\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e \u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003eThe unique construction of this combined unit allows for the removal of both entrained air and dirt particles. The patented Spirotube®, the core of the Spirovent Quad unit, causes air bubbles to rise and collect in the low turbulence air separation chamber before being released via an integral automatic valve. Dirt and sediment sink through the low velocity, low turbulence separation chamber to the bottom of the unit, eliminating any blockage concerns.\u003cbr\u003e\u003cbr\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/Spirotherm_Quad_Brochure.pdf\" target=\"_blank\"\u003e\u003cspan style=\"font-size: medium;\"\u003eBROCHURE\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e","products":[{"product_id":"spirovent-vdx150pf-1-1-2-junior-quad-hydraulic-separator-press-fit","title":"Spirovent VDX150PF 1-1\/2\" Junior Quad Hydraulic Separator Press Fit","description":"\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/Spirotherm_Quad_Brochure.pdf?v=1788404067\" target=\"_blank\"\u003e\u003cspan\u003eBROCHURE\u003c\/span\u003e\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003eSpirovent VDX150PF 1-1\/2\" Junior Quad Hydraulic Separator Press Fit\u003cbr\u003e\u003cbr\u003eAir Eliminator \u003cbr\u003eDirt Separator \u003cbr\u003eLow Loss Header\u003c\/p\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eAdvantages to the Installer and the End-User\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e• Integral brass, float-operated venting mechanism with Viton ® seal \u003cbr\u003e• No bypass, isolating valves or replacement filters to clog and reduce flow\u003cbr\u003e • Two full-flow operating functions plus hydraulic balance in a low loss header \u003cbr\u003e• Dirt can be flushed while the system is in full operation. \u003cbr\u003e• Quiet operation \u003cbr\u003e• Minimum pressure drop; always constant \u003cbr\u003e• Increased component life \u003cbr\u003e• Reduced oxygen-based corrosion and pump cavitation \u003cbr\u003e• Provides optimum heat transfer\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eQuad Advantages\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e• Spirovent’s unrivaled air elimination and dirt separation efficiency is at the heart of every Quad. \u003cbr\u003e• 20-year warranty on brass models, 3-year warranty on steel models. \u003cbr\u003e• Factory-installed integral, serviceable air vent \u003cbr\u003e• Blow down valve included with every Quad. \u003cbr\u003e• Gasketed union tailpiece on all brass units. \u003cbr\u003e• All models designed as standard for 150 psig and 270° F. Higher pressures\/temperatures available.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e(Stock Picture - Item may differ than what is in the picture)","brand":"Spirotherm","offers":[{"title":"Default Title","offer_id":47344985833645,"sku":"VDX150-PF","price":695.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/SpiroventQuadBrass.jpg?v=1787908977"},{"product_id":"spirovent-vxn500fl-5-senior-quad-hydraulic-separator-flanged-w-removable-head","title":"Spirovent VXN500FL 5\" Senior Quad Hydraulic Separator Flanged w\/ Removable Head","description":"\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/Spirotherm_Quad_Brochure.pdf?v=1788404067\" target=\"_blank\"\u003eBROCHURE\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003eSpirovent VXN500FL 5\" Senior Quad Hydraulic Separator Flanged w\/ Removable Head\u003cbr\u003e\u003cbr\u003eAir Eliminator \u003cbr\u003eDirt Separator \u003cbr\u003eLow Loss Header\u003c\/p\u003e\u003cspan\u003e\u003cstrong\u003eAdvantages to the Installer and the End-User\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e• Integral brass, float-operated venting mechanism with Viton ® seal \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• No bypass, isolating valves or replacement filters to clog and reduce flow\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Two full-flow operating functions plus hydraulic balance in a low loss header \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Dirt can be flushed while the system is in full operation. \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Quiet operation \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Minimum pressure drop; always constant \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Increased component life \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Reduced oxygen-based corrosion and pump cavitation \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Provides optimum heat transfer\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eQuad Advantages\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e• Spirovent’s unrivaled air elimination and dirt separation efficiency is at the heart of every Quad. \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• 20-year warranty on brass models, 3-year warranty on steel models. \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Factory-installed integral, serviceable air vent \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Blow down valve included with every Quad. \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Gasketed union tailpiece on all brass units. \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• All models designed as standard for 150 psig and 270° F. Higher pressures\/temperatures available.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e(Stock Picture - Item may differ than what is in the picture)\u003c\/span\u003e","brand":"Spirotherm","offers":[{"title":"Default Title","offer_id":47344986521773,"sku":"VXN 500 FL","price":980099.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/SpiroventVXN.jpg?v=1787908983"},{"product_id":"spirovent-vdx125pfm-1-1-4-junior-quad-hydraulic-separator-press-fit","title":"Spirovent VDX125PFM 1-1\/4\" Junior Quad Hydraulic Separator Press Fit","description":"\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/Spirotherm_Quad_Brochure.pdf?v=1788404067\" target=\"_blank\"\u003e\u003cspan\u003eBROCHURE\u003c\/span\u003e\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003eSpirovent VDX125PFM 1-1\/4\" Junior Quad Hydraulic Separator Press Fit\u003cbr\u003e\u003cbr\u003eAir Eliminator \u003cbr\u003eDirt Separator \u003cbr\u003eLow Loss Header\u003c\/p\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eAdvantages to the Installer and the End-User\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e• Integral brass, float-operated venting mechanism with Viton ® seal \u003cbr\u003e• No bypass, isolating valves or replacement filters to clog and reduce flow\u003cbr\u003e • Two full-flow operating functions plus hydraulic balance in a low loss header \u003cbr\u003e• Dirt can be flushed while the system is in full operation. \u003cbr\u003e• Quiet operation \u003cbr\u003e• Minimum pressure drop; always constant \u003cbr\u003e• Increased component life \u003cbr\u003e• Reduced oxygen-based corrosion and pump cavitation \u003cbr\u003e• Provides optimum heat transfer\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eQuad Advantages\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e• Spirovent’s unrivaled air elimination and dirt separation efficiency is at the heart of every Quad. \u003cbr\u003e• 20-year warranty on brass models, 3-year warranty on steel models. \u003cbr\u003e• Factory-installed integral, serviceable air vent \u003cbr\u003e• Blow down valve included with every Quad. \u003cbr\u003e• Gasketed union tailpiece on all brass units. \u003cbr\u003e• All models designed as standard for 150 psig and 270° F. Higher pressures\/temperatures available.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e(Stock Picture - Item may differ than what is in the picture)","brand":"Spirotherm","offers":[{"title":"Default Title","offer_id":47344987275437,"sku":"VDX125-PFM","price":721.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/SpiroventQuadBrass_fc54d857-b6fc-4149-933e-3a421dc101f1.jpg?v=1787908988"},{"product_id":"spirovent-vdx200pf-2-junior-quad-hydraulic-separator-press-fit","title":"Spirovent VDX200PF 2\" Junior Quad Hydraulic Separator Press Fit","description":"\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/Spirotherm_Quad_Brochure.pdf?v=1788404067\" target=\"_blank\"\u003e\u003cspan\u003eBROCHURE\u003c\/span\u003e\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003eSpirovent VDX200PF 2\" Junior Quad Hydraulic Separator Press Fit\u003cbr\u003e\u003cbr\u003eAir Eliminator \u003cbr\u003eDirt Separator \u003cbr\u003eLow Loss Header\u003c\/p\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eAdvantages to the Installer and the End-User\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e• Integral brass, float-operated venting mechanism with Viton ® seal \u003cbr\u003e• No bypass, isolating valves or replacement filters to clog and reduce flow\u003cbr\u003e • Two full-flow operating functions plus hydraulic balance in a low loss header \u003cbr\u003e• Dirt can be flushed while the system is in full operation. \u003cbr\u003e• Quiet operation \u003cbr\u003e• Minimum pressure drop; always constant \u003cbr\u003e• Increased component life \u003cbr\u003e• Reduced oxygen-based corrosion and pump cavitation \u003cbr\u003e• Provides optimum heat transfer\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eQuad Advantages\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e• Spirovent’s unrivaled air elimination and dirt separation efficiency is at the heart of every Quad. \u003cbr\u003e• 20-year warranty on brass models, 3-year warranty on steel models. \u003cbr\u003e• Factory-installed integral, serviceable air vent \u003cbr\u003e• Blow down valve included with every Quad. \u003cbr\u003e• Gasketed union tailpiece on all brass units. \u003cbr\u003e• All models designed as standard for 150 psig and 270° F. Higher pressures\/temperatures available.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e(Stock Picture - Item may differ than what is in the picture)","brand":"Spirotherm","offers":[{"title":"Default Title","offer_id":47344987963565,"sku":"VDX 200 PF","price":1281.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/SpiroventQuadBrass_bc06371a-d0af-4105-9ed7-72d0272ceb30.jpg?v=1787908994"},{"product_id":"spirovent-vdx100ft-1-junior-quad-hydraulic-separator-threaded","title":"Spirovent VDX100FT 1\" Junior Quad Hydraulic Separator Threaded","description":"\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/Spirotherm_Quad_Brochure.pdf?v=1788404067\" target=\"_blank\"\u003e\u003cspan\u003eBROCHURE\u003c\/span\u003e\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003eSpirovent VDX100FT 1\" Junior Quad Hydraulic Separator Threaded\u003cbr\u003e\u003cbr\u003eAir Eliminator \u003cbr\u003eDirt Separator \u003cbr\u003eLow Loss Header\u003c\/p\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eAdvantages to the Installer and the End-User\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e• Integral brass, float-operated venting mechanism with Viton ® seal \u003cbr\u003e• No bypass, isolating valves or replacement filters to clog and reduce flow\u003cbr\u003e • Two full-flow operating functions plus hydraulic balance in a low loss header \u003cbr\u003e• Dirt can be flushed while the system is in full operation. \u003cbr\u003e• Quiet operation \u003cbr\u003e• Minimum pressure drop; always constant \u003cbr\u003e• Increased component life \u003cbr\u003e• Reduced oxygen-based corrosion and pump cavitation \u003cbr\u003e• Provides optimum heat transfer\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eQuad Advantages\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e• Spirovent’s unrivaled air elimination and dirt separation efficiency is at the heart of every Quad. \u003cbr\u003e• 20-year warranty on brass models, 3-year warranty on steel models. \u003cbr\u003e• Factory-installed integral, serviceable air vent \u003cbr\u003e• Blow down valve included with every Quad. \u003cbr\u003e• Gasketed union tailpiece on all brass units. \u003cbr\u003e• All models designed as standard for 150 psig and 270° F. Higher pressures\/temperatures available.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e(Stock Picture - Item may differ than what is in the picture)","brand":"Spirotherm","offers":[{"title":"Default Title","offer_id":47345026007213,"sku":"VDX 100 FT","price":453.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/SpiroventQuadBrass_2595235b-e43d-4796-999b-2cc983b27519.jpg?v=1787909695"},{"product_id":"spirovent-vdx100sw-1-junior-quad-hydraulic-separator-sweat","title":"Spirovent VDX100SW 1\" Junior Quad Hydraulic Separator Sweat","description":"\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/Spirotherm_Quad_Brochure.pdf?v=1788404067\" target=\"_blank\"\u003e\u003cspan\u003eBROCHURE\u003c\/span\u003e\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003eSpirovent VDX100SW 1\" Junior Quad Hydraulic Separator Sweat\u003cbr\u003e\u003cbr\u003eAir Eliminator \u003cbr\u003eDirt Separator \u003cbr\u003eLow Loss Header\u003c\/p\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eAdvantages to the Installer and the End-User\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e• Integral brass, float-operated venting mechanism with Viton ® seal \u003cbr\u003e• No bypass, isolating valves or replacement filters to clog and reduce flow\u003cbr\u003e • Two full-flow operating functions plus hydraulic balance in a low loss header \u003cbr\u003e• Dirt can be flushed while the system is in full operation. \u003cbr\u003e• Quiet operation \u003cbr\u003e• Minimum pressure drop; always constant \u003cbr\u003e• Increased component life \u003cbr\u003e• Reduced oxygen-based corrosion and pump cavitation \u003cbr\u003e• Provides optimum heat transfer\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eQuad Advantages\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e• Spirovent’s unrivaled air elimination and dirt separation efficiency is at the heart of every Quad. \u003cbr\u003e• 20-year warranty on brass models, 3-year warranty on steel models. \u003cbr\u003e• Factory-installed integral, serviceable air vent \u003cbr\u003e• Blow down valve included with every Quad. \u003cbr\u003e• Gasketed union tailpiece on all brass units. \u003cbr\u003e• All models designed as standard for 150 psig and 270° F. Higher pressures\/temperatures available.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e(Stock Picture - Item may differ than what is in the picture)","brand":"Spirotherm","offers":[{"title":"Default Title","offer_id":47345026826413,"sku":"VDX 100 SW","price":999999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/SpiroventQuadBrass_c27d0538-cf10-4bec-a489-c66fc2bc6214.jpg?v=1787909710"},{"product_id":"spirovent-vdx125ft-1-1-4-junior-quad-hydraulic-separator-threaded","title":"Spirovent VDX125FT 1-1\/4\" Junior Quad Hydraulic Separator Threaded","description":"\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/Spirotherm_Quad_Brochure.pdf?v=1788404067\" target=\"_blank\"\u003e\u003cspan\u003eBROCHURE\u003c\/span\u003e\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003eSpirovent VDX125FT 1-1\/4\" Junior Quad Hydraulic Separator Threaded\u003cbr\u003e\u003cbr\u003eAir Eliminator \u003cbr\u003eDirt Separator \u003cbr\u003eLow Loss Header\u003c\/p\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eAdvantages to the Installer and the End-User\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e• Integral brass, float-operated venting mechanism with Viton ® seal \u003cbr\u003e• No bypass, isolating valves or replacement filters to clog and reduce flow\u003cbr\u003e • Two full-flow operating functions plus hydraulic balance in a low loss header \u003cbr\u003e• Dirt can be flushed while the system is in full operation. \u003cbr\u003e• Quiet operation \u003cbr\u003e• Minimum pressure drop; always constant \u003cbr\u003e• Increased component life \u003cbr\u003e• Reduced oxygen-based corrosion and pump cavitation \u003cbr\u003e• Provides optimum heat transfer\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eQuad Advantages\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e• Spirovent’s unrivaled air elimination and dirt separation efficiency is at the heart of every Quad. \u003cbr\u003e• 20-year warranty on brass models, 3-year warranty on steel models. \u003cbr\u003e• Factory-installed integral, serviceable air vent \u003cbr\u003e• Blow down valve included with every Quad. \u003cbr\u003e• Gasketed union tailpiece on all brass units. \u003cbr\u003e• All models designed as standard for 150 psig and 270° F. Higher pressures\/temperatures available.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e(Stock Picture - Item may differ than what is in the picture)","brand":"Spirotherm","offers":[{"title":"Default Title","offer_id":47345026891949,"sku":"VDX125-FT","price":999999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/SpiroventQuadBrass_c28068d0-c628-4ab6-bcea-9261677a488c.jpg?v=1787909712"},{"product_id":"spirovent-vdx125sw-1-1-4-junior-quad-hydraulic-separator-sweat","title":"Spirovent VDX125SW 1-1\/4\" Junior Quad Hydraulic Separator Sweat","description":"\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/Spirotherm_Quad_Brochure.pdf?v=1788404067\" target=\"_blank\"\u003e\u003cspan\u003eBROCHURE\u003c\/span\u003e\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003eSpirovent VDX125SW 1-1\/4\" Junior Quad Hydraulic Separator Sweat\u003cbr\u003e\u003cbr\u003eAir Eliminator \u003cbr\u003eDirt Separator \u003cbr\u003eLow Loss Header\u003c\/p\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eAdvantages to the Installer and the End-User\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e• Integral brass, float-operated venting mechanism with Viton ® seal \u003cbr\u003e• No bypass, isolating valves or replacement filters to clog and reduce flow\u003cbr\u003e • Two full-flow operating functions plus hydraulic balance in a low loss header \u003cbr\u003e• Dirt can be flushed while the system is in full operation. \u003cbr\u003e• Quiet operation \u003cbr\u003e• Minimum pressure drop; always constant \u003cbr\u003e• Increased component life \u003cbr\u003e• Reduced oxygen-based corrosion and pump cavitation \u003cbr\u003e• Provides optimum heat transfer\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eQuad Advantages\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e• Spirovent’s unrivaled air elimination and dirt separation efficiency is at the heart of every Quad. \u003cbr\u003e• 20-year warranty on brass models, 3-year warranty on steel models. \u003cbr\u003e• Factory-installed integral, serviceable air vent \u003cbr\u003e• Blow down valve included with every Quad. \u003cbr\u003e• Gasketed union tailpiece on all brass units. \u003cbr\u003e• All models designed as standard for 150 psig and 270° F. Higher pressures\/temperatures available.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e(Stock Picture - Item may differ than what is in the picture)","brand":"Spirotherm","offers":[{"title":"Default Title","offer_id":47345026957485,"sku":"VDX125-SW","price":99999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/SpiroventQuadBrass_0f15a92a-ce94-4956-a2f9-28f3bc4315ee.jpg?v=1787909728"},{"product_id":"spirovent-vdx150ft-1-1-2-junior-quad-hydraulic-separator-threaded","title":"Spirovent VDX150FT 1-1\/2\" Junior Quad Hydraulic Separator Threaded","description":"\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/Spirotherm_Quad_Brochure.pdf?v=1788404067\" target=\"_blank\"\u003e\u003cspan\u003eBROCHURE\u003c\/span\u003e\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003eSpirovent VDX150FT 1-1\/2\" Junior Quad Hydraulic Separator Threaded\u003cbr\u003e\u003cbr\u003eAir Eliminator \u003cbr\u003eDirt Separator \u003cbr\u003eLow Loss Header\u003c\/p\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eAdvantages to the Installer and the End-User\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e• Integral brass, float-operated venting mechanism with Viton ® seal \u003cbr\u003e• No bypass, isolating valves or replacement filters to clog and reduce flow\u003cbr\u003e • Two full-flow operating functions plus hydraulic balance in a low loss header \u003cbr\u003e• Dirt can be flushed while the system is in full operation. \u003cbr\u003e• Quiet operation \u003cbr\u003e• Minimum pressure drop; always constant \u003cbr\u003e• Increased component life \u003cbr\u003e• Reduced oxygen-based corrosion and pump cavitation \u003cbr\u003e• Provides optimum heat transfer\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eQuad Advantages\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e• Spirovent’s unrivaled air elimination and dirt separation efficiency is at the heart of every Quad. \u003cbr\u003e• 20-year warranty on brass models, 3-year warranty on steel models. \u003cbr\u003e• Factory-installed integral, serviceable air vent \u003cbr\u003e• Blow down valve included with every Quad. \u003cbr\u003e• Gasketed union tailpiece on all brass units. \u003cbr\u003e• All models designed as standard for 150 psig and 270° F. Higher pressures\/temperatures available.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e(Stock Picture - Item may differ than what is in the picture)","brand":"Spirotherm","offers":[{"title":"Default Title","offer_id":47345026990253,"sku":"VDX150-FT","price":99999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/SpiroventQuadBrass_27062d1a-a2f9-46eb-aad9-c644920c6905.jpg?v=1787909714"},{"product_id":"spirovent-vdx150sw-1-1-2-junior-quad-hydraulic-separator-sweat","title":"Spirovent VDX150SW 1-1\/2\" Junior Quad Hydraulic Separator Sweat","description":"\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/Spirotherm_Quad_Brochure.pdf?v=1788404067\" target=\"_blank\"\u003e\u003cspan\u003eBROCHURE\u003c\/span\u003e\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003eSpirovent VDX150SW 1-1\/2\" Junior Quad Hydraulic Separator Sweat\u003cbr\u003e\u003cbr\u003eAir Eliminator \u003cbr\u003eDirt Separator \u003cbr\u003eLow Loss Header\u003c\/p\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eAdvantages to the Installer and the End-User\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e• Integral brass, float-operated venting mechanism with Viton ® seal \u003cbr\u003e• No bypass, isolating valves or replacement filters to clog and reduce flow\u003cbr\u003e • Two full-flow operating functions plus hydraulic balance in a low loss header \u003cbr\u003e• Dirt can be flushed while the system is in full operation. \u003cbr\u003e• Quiet operation \u003cbr\u003e• Minimum pressure drop; always constant \u003cbr\u003e• Increased component life \u003cbr\u003e• Reduced oxygen-based corrosion and pump cavitation \u003cbr\u003e• Provides optimum heat transfer\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eQuad Advantages\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e• Spirovent’s unrivaled air elimination and dirt separation efficiency is at the heart of every Quad. \u003cbr\u003e• 20-year warranty on brass models, 3-year warranty on steel models. \u003cbr\u003e• Factory-installed integral, serviceable air vent \u003cbr\u003e• Blow down valve included with every Quad. \u003cbr\u003e• Gasketed union tailpiece on all brass units. \u003cbr\u003e• All models designed as standard for 150 psig and 270° F. Higher pressures\/temperatures available.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e(Stock Picture - Item may differ than what is in the picture)","brand":"Spirotherm","offers":[{"title":"Default Title","offer_id":47345027776685,"sku":"VDX150-SW","price":99999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/SpiroventQuadBrass_084697b7-2005-4489-a6cd-d78be9c836cc.jpg?v=1787909729"},{"product_id":"spirovent-vdx200ft-2-junior-quad-hydraulic-separator-threaded","title":"Spirovent VDX200FT 2\" Junior Quad Hydraulic Separator Threaded","description":"\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/Spirotherm_Quad_Brochure.pdf?v=1788404067\" target=\"_blank\"\u003e\u003cspan\u003eBROCHURE\u003c\/span\u003e\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003eSpirovent VDX200FT 2\" Junior Quad Hydraulic Separator Threaded\u003cbr\u003e\u003cbr\u003eAir Eliminator \u003cbr\u003eDirt Separator \u003cbr\u003eLow Loss Header\u003c\/p\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eAdvantages to the Installer and the End-User\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e• Integral brass, float-operated venting mechanism with Viton ® seal \u003cbr\u003e• No bypass, isolating valves or replacement filters to clog and reduce flow\u003cbr\u003e • Two full-flow operating functions plus hydraulic balance in a low loss header \u003cbr\u003e• Dirt can be flushed while the system is in full operation. \u003cbr\u003e• Quiet operation \u003cbr\u003e• Minimum pressure drop; always constant \u003cbr\u003e• Increased component life \u003cbr\u003e• Reduced oxygen-based corrosion and pump cavitation \u003cbr\u003e• Provides optimum heat transfer\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eQuad Advantages\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e• Spirovent’s unrivaled air elimination and dirt separation efficiency is at the heart of every Quad. \u003cbr\u003e• 20-year warranty on brass models, 3-year warranty on steel models. \u003cbr\u003e• Factory-installed integral, serviceable air vent \u003cbr\u003e• Blow down valve included with every Quad. \u003cbr\u003e• Gasketed union tailpiece on all brass units. \u003cbr\u003e• All models designed as standard for 150 psig and 270° F. Higher pressures\/temperatures available.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e(Stock Picture - Item may differ than what is in the picture)","brand":"Spirotherm","offers":[{"title":"Default Title","offer_id":47345027874989,"sku":"VDX 200 FT","price":99999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/SpiroventQuadBrass_87a978d0-fbb0-4c21-9c60-c0cd3ad0ed57.jpg?v=1787909718"},{"product_id":"spirovent-vdx200sw-2-junior-quad-hydraulic-separator-sweat","title":"Spirovent VDX200SW 2\" Junior Quad Hydraulic Separator Sweat","description":"\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/Spirotherm_Quad_Brochure.pdf?v=1788404067\" target=\"_blank\"\u003e\u003cspan\u003eBROCHURE\u003c\/span\u003e\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003eSpirovent VDX200SW 2\" Junior Quad Hydraulic Separator Sweat\u003cbr\u003e\u003cbr\u003eAir Eliminator \u003cbr\u003eDirt Separator \u003cbr\u003eLow Loss Header\u003c\/p\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eAdvantages to the Installer and the End-User\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e• Integral brass, float-operated venting mechanism with Viton ® seal \u003cbr\u003e• No bypass, isolating valves or replacement filters to clog and reduce flow\u003cbr\u003e • Two full-flow operating functions plus hydraulic balance in a low loss header \u003cbr\u003e• Dirt can be flushed while the system is in full operation. \u003cbr\u003e• Quiet operation \u003cbr\u003e• Minimum pressure drop; always constant \u003cbr\u003e• Increased component life \u003cbr\u003e• Reduced oxygen-based corrosion and pump cavitation \u003cbr\u003e• Provides optimum heat transfer\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eQuad Advantages\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e• Spirovent’s unrivaled air elimination and dirt separation efficiency is at the heart of every Quad. \u003cbr\u003e• 20-year warranty on brass models, 3-year warranty on steel models. \u003cbr\u003e• Factory-installed integral, serviceable air vent \u003cbr\u003e• Blow down valve included with every Quad. \u003cbr\u003e• Gasketed union tailpiece on all brass units. \u003cbr\u003e• All models designed as standard for 150 psig and 270° F. Higher pressures\/temperatures available.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e(Stock Picture - Item may differ than what is in the picture)","brand":"Spirotherm","offers":[{"title":"Default Title","offer_id":47345027973293,"sku":"VDX 200 SW","price":99999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/SpiroventQuadBrass_33459e01-f6e1-4a40-b61a-8a7ae5d0a9df.jpg?v=1787909732"},{"product_id":"spirovent-vdx200mt-2-quad-steelhydraulic-separator-male-threaded","title":"Spirovent VDX200MT 2\" Quad SteelHydraulic Separator  Male Threaded","description":"\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/Spirotherm_Quad_Brochure.pdf?v=1788404067\" target=\"_blank\"\u003e\u003cspan\u003eBROCHURE\u003c\/span\u003e\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003eSpirovent VDX200MT 2\" Quad Steel Hydraulic Separator Male Threaded\u003cbr\u003e\u003cbr\u003eAir Eliminator \u003cbr\u003eDirt Separator \u003cbr\u003eLow Loss Header\u003c\/p\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eAdvantages to the Installer and the End-User\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e• Integral brass, float-operated venting mechanism with Viton ® seal \u003cbr\u003e• No bypass, isolating valves or replacement filters to clog and reduce flow\u003cbr\u003e • Two full-flow operating functions plus hydraulic balance in a low loss header \u003cbr\u003e• Dirt can be flushed while the system is in full operation. \u003cbr\u003e• Quiet operation \u003cbr\u003e• Minimum pressure drop; always constant \u003cbr\u003e• Increased component life \u003cbr\u003e• Reduced oxygen-based corrosion and pump cavitation \u003cbr\u003e• Provides optimum heat transfer\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eQuad Advantages\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e• Spirovent’s unrivaled air elimination and dirt separation efficiency is at the heart of every Quad. \u003cbr\u003e• 20-year warranty on brass models, 3-year warranty on steel models. \u003cbr\u003e• Factory-installed integral, serviceable air vent \u003cbr\u003e• Blow down valve included with every Quad. \u003cbr\u003e• Gasketed union tailpiece on all brass units. \u003cbr\u003e• All models designed as standard for 150 psig and 270° F. Higher pressures\/temperatures available.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e(Stock Picture - Item may differ than what is in the picture)","brand":"Spirotherm","offers":[{"title":"Default Title","offer_id":47345028104365,"sku":"VDX 200 MT","price":999999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/SpiroventQuadSteel.jpg?v=1787909723"},{"product_id":"spirovent-vdx200fa-2-quad-steel-hydraulic-separator-flanged-asme","title":"Spirovent VDX200FA 2\" Quad Steel Hydraulic Separator Flanged ASME","description":"\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/Spirotherm_Quad_Brochure.pdf?v=1788404067\" target=\"_blank\"\u003e\u003cspan\u003eBROCHURE\u003c\/span\u003e\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003eSpirovent VDX200FA 2\" Quad Steel Hydraulic Separator Flanged ASME\u003cbr\u003e\u003cbr\u003eAir Eliminator \u003cbr\u003eDirt Separator \u003cbr\u003eLow Loss Header\u003c\/p\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eAdvantages to the Installer and the End-User\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e• Integral brass, float-operated venting mechanism with Viton ® seal \u003cbr\u003e• No bypass, isolating valves or replacement filters to clog and reduce flow\u003cbr\u003e • Two full-flow operating functions plus hydraulic balance in a low loss header \u003cbr\u003e• Dirt can be flushed while the system is in full operation. \u003cbr\u003e• Quiet operation \u003cbr\u003e• Minimum pressure drop; always constant \u003cbr\u003e• Increased component life \u003cbr\u003e• Reduced oxygen-based corrosion and pump cavitation \u003cbr\u003e• Provides optimum heat transfer\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eQuad Advantages\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e• Spirovent’s unrivaled air elimination and dirt separation efficiency is at the heart of every Quad. \u003cbr\u003e• 20-year warranty on brass models, 3-year warranty on steel models. \u003cbr\u003e• Factory-installed integral, serviceable air vent \u003cbr\u003e• Blow down valve included with every Quad. \u003cbr\u003e• Gasketed union tailpiece on all brass units. \u003cbr\u003e• All models designed as standard for 150 psig and 270° F. Higher pressures\/temperatures available.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e(Stock Picture - Item may differ than what is in the picture)","brand":"Spirotherm","offers":[{"title":"Default Title","offer_id":47345028268205,"sku":"VDX 200 FA","price":999999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/SpiroventQuadSteel_134bb49f-cc8b-4f6f-94cc-171235fae7f3.jpg?v=1787909728"},{"product_id":"spirovent-vxn200fa-2-quad-steel-hydraulic-separator-flanged-asme-w-removable-head","title":"Spirovent VXN200FA 2\" Quad Steel Hydraulic Separator Flanged ASME w\/ Removable Head","description":"\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/Spirotherm_Quad_Brochure.pdf?v=1788404067\" target=\"_blank\"\u003e\u003cspan\u003eBROCHURE\u003c\/span\u003e\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003eSpirovent VXN200FA 2\" Quad Steel Hydraulic Separator Flanged ASME w\/ Removable Head\u003cbr\u003e\u003cbr\u003eAir Eliminator \u003cbr\u003eDirt Separator \u003cbr\u003eLow Loss Header\u003c\/p\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eAdvantages to the Installer and the End-User\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e• Integral brass, float-operated venting mechanism with Viton ® seal \u003cbr\u003e• No bypass, isolating valves or replacement filters to clog and reduce flow\u003cbr\u003e • Two full-flow operating functions plus hydraulic balance in a low loss header \u003cbr\u003e• Dirt can be flushed while the system is in full operation. \u003cbr\u003e• Quiet operation \u003cbr\u003e• Minimum pressure drop; always constant \u003cbr\u003e• Increased component life \u003cbr\u003e• Reduced oxygen-based corrosion and pump cavitation \u003cbr\u003e• Provides optimum heat transfer\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eQuad Advantages\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e• Spirovent’s unrivaled air elimination and dirt separation efficiency is at the heart of every Quad. \u003cbr\u003e• 20-year warranty on brass models, 3-year warranty on steel models. \u003cbr\u003e• Factory-installed integral, serviceable air vent \u003cbr\u003e• Blow down valve included with every Quad. \u003cbr\u003e• Gasketed union tailpiece on all brass units. \u003cbr\u003e• All models designed as standard for 150 psig and 270° F. Higher pressures\/temperatures available.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e(Stock Picture - Item may differ than what is in the picture)","brand":"Spirotherm","offers":[{"title":"Default Title","offer_id":47345028497581,"sku":"VXN 200 FA","price":999999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/SpiroventVXN.1.jpg?v=1787909734"},{"product_id":"spirovent-vdx250mt-2-5-quad-steel-hydraulic-separator-male-threaded","title":"Spirovent VDX250MT 2.5\" Quad Steel Hydraulic Separator  Male Threaded","description":"\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/Spirotherm_Quad_Brochure.pdf?v=1788404067\" target=\"_blank\"\u003e\u003cspan\u003eBROCHURE\u003c\/span\u003e\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003eSpirovent VDX250MT 2.5\" Quad Steel Hydraulic Separator Male Threaded\u003cbr\u003e\u003cbr\u003eAir Eliminator \u003cbr\u003eDirt Separator \u003cbr\u003eLow Loss Header\u003c\/p\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eAdvantages to the Installer and the End-User\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e• Integral brass, float-operated venting mechanism with Viton ® seal \u003cbr\u003e• No bypass, isolating valves or replacement filters to clog and reduce flow\u003cbr\u003e • Two full-flow operating functions plus hydraulic balance in a low loss header \u003cbr\u003e• Dirt can be flushed while the system is in full operation. \u003cbr\u003e• Quiet operation \u003cbr\u003e• Minimum pressure drop; always constant \u003cbr\u003e• Increased component life \u003cbr\u003e• Reduced oxygen-based corrosion and pump cavitation \u003cbr\u003e• Provides optimum heat transfer\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eQuad Advantages\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e• Spirovent’s unrivaled air elimination and dirt separation efficiency is at the heart of every Quad. \u003cbr\u003e• 20-year warranty on brass models, 3-year warranty on steel models. \u003cbr\u003e• Factory-installed integral, serviceable air vent \u003cbr\u003e• Blow down valve included with every Quad. \u003cbr\u003e• Gasketed union tailpiece on all brass units. \u003cbr\u003e• All models designed as standard for 150 psig and 270° F. Higher pressures\/temperatures available.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e(Stock Picture - Item may differ than what is in the picture)","brand":"Spirotherm","offers":[{"title":"Default Title","offer_id":47345028530349,"sku":"VDX 250 MT","price":999999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/SpiroventQuadSteel_2af79882-646a-48bd-b602-18c53ab66d11.jpg?v=1787909734"},{"product_id":"spirovent-vdx250fa-2-5-quad-steel-hydraulic-separator-flanged-asme","title":"Spirovent VDX250FA 2.5\" Quad Steel Hydraulic Separator Flanged ASME","description":"\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/Spirotherm_Quad_Brochure.pdf?v=1788404067\" target=\"_blank\"\u003e\u003cspan\u003eBROCHURE\u003c\/span\u003e\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003eSpirovent VDX250FA 2.5\" Quad Steel Hydraulic Separator Flanged ASME\u003cbr\u003e\u003cbr\u003eAir Eliminator \u003cbr\u003eDirt Separator \u003cbr\u003eLow Loss Header\u003c\/p\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eAdvantages to the Installer and the End-User\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e• Integral brass, float-operated venting mechanism with Viton ® seal \u003cbr\u003e• No bypass, isolating valves or replacement filters to clog and reduce flow\u003cbr\u003e • Two full-flow operating functions plus hydraulic balance in a low loss header \u003cbr\u003e• Dirt can be flushed while the system is in full operation. \u003cbr\u003e• Quiet operation \u003cbr\u003e• Minimum pressure drop; always constant \u003cbr\u003e• Increased component life \u003cbr\u003e• Reduced oxygen-based corrosion and pump cavitation \u003cbr\u003e• Provides optimum heat transfer\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eQuad Advantages\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e• Spirovent’s unrivaled air elimination and dirt separation efficiency is at the heart of every Quad. \u003cbr\u003e• 20-year warranty on brass models, 3-year warranty on steel models. \u003cbr\u003e• Factory-installed integral, serviceable air vent \u003cbr\u003e• Blow down valve included with every Quad. \u003cbr\u003e• Gasketed union tailpiece on all brass units. \u003cbr\u003e• All models designed as standard for 150 psig and 270° F. Higher pressures\/temperatures available.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e(Stock Picture - Item may differ than what is in the picture)","brand":"Spirotherm","offers":[{"title":"Default Title","offer_id":47345028563117,"sku":"VDX 250 FA","price":999999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/SpiroventQuadSteel_1686b3e6-eda2-4b4e-9a64-56375547f7f1.jpg?v=1787909735"},{"product_id":"spirovent-vxn250fa-2-5-quad-steel-hydraulic-separator-flanged-asme-w-removable-head","title":"Spirovent VXN250FA 2.5\" Quad Steel Hydraulic Separator Flanged ASME w\/ Removable Head","description":"\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/Spirotherm_Quad_Brochure.pdf?v=1788404067\" target=\"_blank\"\u003e\u003cspan\u003eBROCHURE\u003c\/span\u003e\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003eSpirovent VXN250FA 2.5\" Quad Steel Hydraulic Separator Flanged ASME w\/ Removable Head\u003cbr\u003e\u003cbr\u003eAir Eliminator \u003cbr\u003eDirt Separator \u003cbr\u003eLow Loss Header\u003c\/p\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eAdvantages to the Installer and the End-User\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e• Integral brass, float-operated venting mechanism with Viton ® seal \u003cbr\u003e• No bypass, isolating valves or replacement filters to clog and reduce flow\u003cbr\u003e • Two full-flow operating functions plus hydraulic balance in a low loss header \u003cbr\u003e• Dirt can be flushed while the system is in full operation. \u003cbr\u003e• Quiet operation \u003cbr\u003e• Minimum pressure drop; always constant \u003cbr\u003e• Increased component life \u003cbr\u003e• Reduced oxygen-based corrosion and pump cavitation \u003cbr\u003e• Provides optimum heat transfer\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eQuad Advantages\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e• Spirovent’s unrivaled air elimination and dirt separation efficiency is at the heart of every Quad. \u003cbr\u003e• 20-year warranty on brass models, 3-year warranty on steel models. \u003cbr\u003e• Factory-installed integral, serviceable air vent \u003cbr\u003e• Blow down valve included with every Quad. \u003cbr\u003e• Gasketed union tailpiece on all brass units. \u003cbr\u003e• All models designed as standard for 150 psig and 270° F. Higher pressures\/temperatures available.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e(Stock Picture - Item may differ than what is in the picture)","brand":"Spirotherm","offers":[{"title":"Default Title","offer_id":47345028661421,"sku":"VXN 250 FA","price":999999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/SpiroventVXN.1_32ea5f49-066c-4a42-bac4-72efd488f67d.jpg?v=1787909737"},{"product_id":"spirovent-vdx300mt-3-quad-steelhydraulic-separator-male-threaded","title":"Spirovent VDX300MT 3\" Quad SteelHydraulic Separator  Male Threaded","description":"\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/Spirotherm_Quad_Brochure.pdf?v=1788404067\" target=\"_blank\"\u003e\u003cspan\u003eBROCHURE\u003c\/span\u003e\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003eSpirovent VDX300MT 3\" Quad Steel Hydraulic Separator Male Threaded\u003cbr\u003e\u003cbr\u003eAir Eliminator \u003cbr\u003eDirt Separator \u003cbr\u003eLow Loss Header\u003c\/p\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eAdvantages to the Installer and the End-User\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e• Integral brass, float-operated venting mechanism with Viton ® seal \u003cbr\u003e• No bypass, isolating valves or replacement filters to clog and reduce flow\u003cbr\u003e • Two full-flow operating functions plus hydraulic balance in a low loss header \u003cbr\u003e• Dirt can be flushed while the system is in full operation. \u003cbr\u003e• Quiet operation \u003cbr\u003e• Minimum pressure drop; always constant \u003cbr\u003e• Increased component life \u003cbr\u003e• Reduced oxygen-based corrosion and pump cavitation \u003cbr\u003e• Provides optimum heat transfer\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eQuad Advantages\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e• Spirovent’s unrivaled air elimination and dirt separation efficiency is at the heart of every Quad. \u003cbr\u003e• 20-year warranty on brass models, 3-year warranty on steel models. \u003cbr\u003e• Factory-installed integral, serviceable air vent \u003cbr\u003e• Blow down valve included with every Quad. \u003cbr\u003e• Gasketed union tailpiece on all brass units. \u003cbr\u003e• All models designed as standard for 150 psig and 270° F. Higher pressures\/temperatures available.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e(Stock Picture - Item may differ than what is in the picture)","brand":"Spirotherm","offers":[{"title":"Default Title","offer_id":47345028759725,"sku":"VDX 300 MT","price":999999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/SpiroventQuadSteel_250d6728-b0a9-4dd7-b1c2-260edff153e0.jpg?v=1787909739"},{"product_id":"spirovent-vdx300fa-3-quad-steel-hydraulic-separator-flanged-asme","title":"Spirovent VDX300FA 3\" Quad Steel Hydraulic Separator Flanged ASME","description":"\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/Spirotherm_Quad_Brochure.pdf?v=1788404067\" target=\"_blank\"\u003e\u003cspan\u003eBROCHURE\u003c\/span\u003e\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003eSpirovent VDX300FA 3\" Quad Steel Hydraulic Separator Flanged ASME\u003cbr\u003e\u003cbr\u003eAir Eliminator \u003cbr\u003eDirt Separator \u003cbr\u003eLow Loss Header\u003c\/p\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eAdvantages to the Installer and the End-User\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e• Integral brass, float-operated venting mechanism with Viton ® seal \u003cbr\u003e• No bypass, isolating valves or replacement filters to clog and reduce flow\u003cbr\u003e • Two full-flow operating functions plus hydraulic balance in a low loss header \u003cbr\u003e• Dirt can be flushed while the system is in full operation. \u003cbr\u003e• Quiet operation \u003cbr\u003e• Minimum pressure drop; always constant \u003cbr\u003e• Increased component life \u003cbr\u003e• Reduced oxygen-based corrosion and pump cavitation \u003cbr\u003e• Provides optimum heat transfer\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eQuad Advantages\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e• Spirovent’s unrivaled air elimination and dirt separation efficiency is at the heart of every Quad. \u003cbr\u003e• 20-year warranty on brass models, 3-year warranty on steel models. \u003cbr\u003e• Factory-installed integral, serviceable air vent \u003cbr\u003e• Blow down valve included with every Quad. \u003cbr\u003e• Gasketed union tailpiece on all brass units. \u003cbr\u003e• All models designed as standard for 150 psig and 270° F. Higher pressures\/temperatures available.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e(Stock Picture - Item may differ than what is in the picture)","brand":"Spirotherm","offers":[{"title":"Default Title","offer_id":47345028792493,"sku":"VDX 300 FA","price":999999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/SpiroventQuadSteel_9d21c545-a328-468a-9138-cbab6a0a4317.jpg?v=1787909740"},{"product_id":"spirovent-vxn300fa-3-quad-steel-hydraulic-separator-flanged-asme-w-removable-head","title":"Spirovent VXN300FA 3\" Quad Steel Hydraulic Separator Flanged ASME w\/ Removable Head","description":"\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/Spirotherm_Quad_Brochure.pdf?v=1788404067\" target=\"_blank\"\u003e\u003cspan\u003eBROCHURE\u003c\/span\u003e\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003eSpirovent VXN300FA 3\" Quad Steel Hydraulic Separator Flanged ASME w\/ Removable Head\u003cbr\u003e\u003cbr\u003eAir Eliminator \u003cbr\u003eDirt Separator \u003cbr\u003eLow Loss Header\u003c\/p\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eAdvantages to the Installer and the End-User\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e• Integral brass, float-operated venting mechanism with Viton ® seal \u003cbr\u003e• No bypass, isolating valves or replacement filters to clog and reduce flow\u003cbr\u003e • Two full-flow operating functions plus hydraulic balance in a low loss header \u003cbr\u003e• Dirt can be flushed while the system is in full operation. \u003cbr\u003e• Quiet operation \u003cbr\u003e• Minimum pressure drop; always constant \u003cbr\u003e• Increased component life \u003cbr\u003e• Reduced oxygen-based corrosion and pump cavitation \u003cbr\u003e• Provides optimum heat transfer\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eQuad Advantages\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e• Spirovent’s unrivaled air elimination and dirt separation efficiency is at the heart of every Quad. \u003cbr\u003e• 20-year warranty on brass models, 3-year warranty on steel models. \u003cbr\u003e• Factory-installed integral, serviceable air vent \u003cbr\u003e• Blow down valve included with every Quad. \u003cbr\u003e• Gasketed union tailpiece on all brass units. \u003cbr\u003e• All models designed as standard for 150 psig and 270° F. Higher pressures\/temperatures available.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e(Stock Picture - Item may differ than what is in the picture)","brand":"Spirotherm","offers":[{"title":"Default Title","offer_id":47345028825261,"sku":"VXN 300 FA","price":999999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/SpiroventVXN.1_40aaf80e-eb85-4880-943a-8b6819efcad8.jpg?v=1787909740"},{"product_id":"spirothem-vdx-100-pfm-spirotherm-spirovent-quad-1-press-air-dirt-separator-w-magnet","title":"Spirothem VDX 100 PFM Spirotherm Spirovent Quad 1\" Press Air\/Dirt Separator w\/ Magnet","description":"\u003cp\u003e\u003ca href=\"https:\/\/www.spirotherm.com\/sites\/default\/files\/Quad-4_0.pdf\" target=\"_blank\"\u003eBrochure \u0026amp; Specificaions \u003c\/a\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-test-selector=\"attributes_item\" data-attributetypeid=\"6e942247-919e-45d3-aee0-b0ac015f0199\" class=\"TypographyStyle-sc-11lquxl eHgLSz\"\u003e\u003cspan data-test-selector=\"attributes_item_label\" class=\"TypographyStyle-sc-11lquxl hXwBBx\"\u003eReplaces VDX100PF\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-test-selector=\"attributes_item\" data-attributetypeid=\"6e942247-919e-45d3-aee0-b0ac015f0199\" class=\"TypographyStyle-sc-11lquxl eHgLSz\"\u003e\u003cspan data-test-selector=\"attributes_item_label\" class=\"TypographyStyle-sc-11lquxl hXwBBx\"\u003eEnd Connection : \u003c\/span\u003e\u003cspan data-test-selector=\"attributes_item_value\"\u003ePress\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-test-selector=\"attributes_item\" data-attributetypeid=\"9b14e7a4-d477-4878-a33a-b0ac015f021d\" class=\"TypographyStyle-sc-11lquxl eHgLSz\"\u003e\u003cspan data-test-selector=\"attributes_item_label\" class=\"TypographyStyle-sc-11lquxl hXwBBx\"\u003eManufacturer Name : \u003c\/span\u003e\u003cspan data-test-selector=\"attributes_item_value\"\u003eSpirotherm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-test-selector=\"attributes_item\" data-attributetypeid=\"30ec9a72-8476-47bd-a4b7-b0ac015f0220\" class=\"TypographyStyle-sc-11lquxl eHgLSz\"\u003e\u003cspan data-test-selector=\"attributes_item_label\" class=\"TypographyStyle-sc-11lquxl hXwBBx\"\u003eMaterial : \u003c\/span\u003e\u003cspan data-test-selector=\"attributes_item_value\"\u003eBrass\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-test-selector=\"attributes_item\" data-attributetypeid=\"0960c907-ebff-42f7-aef2-b0ac015f02c6\" class=\"TypographyStyle-sc-11lquxl eHgLSz\"\u003e\u003cspan data-test-selector=\"attributes_item_label\" class=\"TypographyStyle-sc-11lquxl hXwBBx\"\u003eSize : \u003c\/span\u003e\u003cspan data-test-selector=\"attributes_item_value\"\u003e1\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-test-selector=\"attributes_item\" data-attributetypeid=\"40d76389-ff8b-40d5-9d9c-b0ac015f0308\" class=\"TypographyStyle-sc-11lquxl eHgLSz\"\u003e\u003cspan data-test-selector=\"attributes_item_label\" class=\"TypographyStyle-sc-11lquxl hXwBBx\"\u003eType : \u003c\/span\u003e\u003cspan data-test-selector=\"attributes_item_value\"\u003eEliminator \u0026amp; Separator\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIntegral brass, float-operated venting mechanism with Viton seal\u003cbr\u003eNo bypass, isolating valves or replacement filters to clog and reduce flow\u003cbr\u003eTwo full-flow operating functions plus hydraulic balance in a low loss header\u003cbr\u003eBrass models: Powerful magnets surround the flow path to remove ferrous material from the circulating system water\u003cbr\u003eDirt can be flushed while the system is in full operation\u003cbr\u003eQuiet operation\u003cbr\u003eMinimum pressure drop, always constant\u003cbr\u003eIncreased component life\u003cbr\u003eReduced oxygen-based corrosion and pump cavitation\u003cbr\u003eProvides optimum heat transfer\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Spirotherm","offers":[{"title":"Default Title","offer_id":47345142366381,"sku":"VDX100PFM","price":572.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/VDX100PFM.jpg?v=1787910985"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/collections\/Spirovent_20Quad_20Main.jpg?v=1787914369","url":"https:\/\/www.bostonheatingsupply.com\/collections\/spiroventquad.oembed","provider":"Boston Heating Supply","version":"1.0","type":"link"}