{"title":"Flow Switches","description":"\u003cdiv align=\"center\"\u003e\n\u003cbr\u003e\n  \n  \n  \u003cbr\u003e\n  \n  \n  \u003cbr\u003e\n  \n  \n  \u003c\/div\u003e","products":[{"product_id":"mcdonnell-miller-fs1-high-sensitivity-flow-switch","title":"McDonnell \u0026 Miller FS1 High Sensitivity Flow Switch","description":"McDonnell Miller, FS1 High sensitivity flow switch - 1\/2\" NPT body, 113200\u003cbr\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/FS1.pdf\"\u003e\u003cbr\u003e FS1 Manual\u003c\/a\u003e\u003cbr\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/ReplacementPartsSeriesFS1FS1-W.pdf\"\u003eReplacement Parts For FS1 \u0026amp; FS1-W\u003c\/a\u003e\u003cbr\u003e \u003cbr\u003e\u003cdiv class=\"productinfo ui-tabs-panel ui-widget-content ui-corner-bottom ui-accordion\" id=\"product-description\"\u003e\u003cdiv class=\"column\"\u003e\n\u003cstrong\u003eFeatures and Benefits\u003c\/strong\u003e\u003cul class=\"continued\"\u003e\n\u003cli\u003eFor general purpose applications where high sensitivity is required and moderate or low flow rates are encountered such as air conditioning, heating and hydronic systems, water, fuel oil, some viscous liquids and oils in process work\u003c\/li\u003e\n\u003cli\u003eIn-line configuration eliminates need for a pipe tee\u003c\/li\u003e\n\u003cli\u003eHigh flow capacity\u003c\/li\u003e\n\u003cli\u003e12\" NPT\u003c\/li\u003e\n\u003cli\u003eSingle pole, double throw snap switch\u003c\/li\u003e\n\u003cli\u003eSwitch compartment is completely sealed to protect it from the liquid\u003c\/li\u003e\n\u003cli\u003eSensitivity adjusting screw makes flow adjustment easy\u003c\/li\u003e\n\u003cli\u003eOptional features BSPT threads Gold plated contacts\u003c\/li\u003e\n\u003cli\u003eMinimum temperature (fluid or ambient) 32ÃÃÃÃÂ °F (0ÃÃÃÃÂ °C)\u003c\/li\u003e\n\u003cli\u003eMaximum temperature 225ÃÃÃÃÂ °F (107ÃÃÃÃÂ °C)\u003c\/li\u003e\n\u003cli\u003eMaximum operating pressure 100 psi (7 kg\/cm2)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cbr\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/FS1.pdf\"\u003e\u003c\/a\u003e","brand":"McDonnell \u0026 Miller","offers":[{"title":"Default Title","offer_id":47344173940909,"sku":"113200","price":311.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/McMill_FS1_.5inliquidflowswitchfrontside2_18210.jpg?v=1787918364"},{"product_id":"mcdonnell-miller-fs4-3-general-purpose-flow-switch","title":"McDonnell \u0026 Miller FS4-3 General Purpose Flow Switch","description":"McDonnell Miller, FS4-3 General Purpose Flow Switch, 114400\u003cbr\u003e \u003cbr\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/FS4-3.pdf\" target=\"_blank\"\u003eFS4-3 Manual\u003c\/a\u003e\u003cbr\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/ReplacementPartsSeriesFS4-3.pdf\" target=\"_blank\"\u003eReplacement Parts Series FS4-3\u003c\/a\u003e\u003cbr\u003e \u003cbr\u003e\u003cdiv id=\"product-description\" class=\"productinfo ui-tabs-panel ui-widget-content ui-corner-bottom ui-accordion\"\u003e\u003cdiv class=\"column\"\u003e\n\u003cstrong\u003eFeatures and Benefits\u003c\/strong\u003e\u003cul class=\"continued\"\u003e\n\u003cli\u003eUniversal design serves the widest variety of applications\u003c\/li\u003e\n\u003cli\u003eFor starting or stopping electrically operated equipment such as signal lights, alarms, motors, automatic burners, metering devices and others\u003c\/li\u003e\n\u003cli\u003eReplacement for common flow switches from Johnson\/Penn, Potter\/Taco, Watts, Hydrolevel and other manufacturers\u003c\/li\u003e\n\u003cli\u003e1\" NPT\u003c\/li\u003e\n\u003cli\u003eTwo electrical knock-outs allows connection from\u003c\/li\u003e\n\u003cli\u003eeither end\u003c\/li\u003e\n\u003cli\u003eSensitivity adjusting screw makes flow adjustment easy\u003c\/li\u003e\n\u003cli\u003eSingle pole, double throw snap switch\u003c\/li\u003e\n\u003cli\u003eHardened stainless steel bearings minimize friction\u003c\/li\u003e\n\u003cli\u003eSealed Monel bellows\u003c\/li\u003e\n\u003cli\u003eFour stainless steel paddles included -\u003c\/li\u003e\n\u003cli\u003e1\", 2\", 3\" \u0026amp; 6\" (25, 50, 80, \u0026amp; 150mm)\u003c\/li\u003e\n\u003cli\u003eOptional features\u003c\/li\u003e\n\u003cli\u003eTwo SPDT switches to make or break two separate\u003c\/li\u003e\n\u003cli\u003ecircuits\u003c\/li\u003e\n\u003cli\u003eMaterials of construction suitable for corrosive liquids\u003c\/li\u003e\n\u003cli\u003eBSPT threads\u003c\/li\u003e\n\u003cli\u003eMinimum temperature (fluid or ambient) 32ÃÃÃÃÂ °F (0ÃÃÃÃÂ °C)\u003c\/li\u003e\n\u003cli\u003eMaximum temperature 300ÃÃÃÃÂ °F (149ÃÃÃÃÂ °C)\u003c\/li\u003e\n\u003cli\u003eMaximum pressure 160 psi (11.3 kg\/cm2)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003c\/div\u003e","brand":"McDonnell \u0026 Miller","offers":[{"title":"Default Title","offer_id":47344174596269,"sku":"114400","price":253.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/McMill_FS43_1inliquidflowswitchgeneralpurpose_4660.jpg?v=1787918382"},{"product_id":"mcdonnell-miller-fs8-w-general-purpose-flow-switch-w-nema-4x-enclosure","title":"McDonnell \u0026 Miller FS8-W General Purpose Flow Switch w. NEMA 4X Enclosure","description":"McDonnell Miller, FS8-W, General purpose flow switch w\/ NEMA 4X enclosure, 120601\u003cbr\u003e \u003cbr\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/FS8-W.pdf\"\u003eFS8-W Specifications\u003c\/a\u003e\u003cbr\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/ReplacementPartsSeriesFS8-W.pdf\"\u003eReplacement Parts Series FS8-W\u003c\/a\u003e\u003cbr\u003e \u003cbr\u003e\u003cdiv id=\"product-description\" class=\"productinfo ui-tabs-panel ui-widget-content ui-corner-bottom ui-accordion\"\u003e\u003cdiv class=\"column\"\u003e\n\u003cstrong\u003eFeatures and Benefits\u003c\/strong\u003e\u003cul class=\"continued\"\u003e\n\u003cli\u003eFor general purpose applications with environmental\u003c\/li\u003e\n\u003cli\u003eexposure, or those requiring a water-tight, dust tight, or\u003c\/li\u003e\n\u003cli\u003ea NEMA 4X rated flow switch\u003c\/li\u003e\n\u003cli\u003e1\" NPT\u003c\/li\u003e\n\u003cli\u003eSealed Monel bellows\u003c\/li\u003e\n\u003cli\u003eSingle pole, double throw snap switch\u003c\/li\u003e\n\u003cli\u003eFour stainless steel paddles included -\u003c\/li\u003e\n\u003cli\u003e1\", 2\", 3\" and 6\" (25, 50, 80 and 150mm)\u003c\/li\u003e\n\u003cli\u003eSensitivity adjusting screw makes flow adjustment easy\u003c\/li\u003e\n\u003cli\u003eOptional features BSPT threads Gold plated contacts\u003c\/li\u003e\n\u003cli\u003eMinimum temperature (fluid or ambient) 32°C)\u003c\/li\u003e\n\u003cli\u003eMaximum temperature 225°C)\u003c\/li\u003e\n\u003cli\u003eMaximum operating pressure 160 psi (11.3 kg\/cm2)\u003c\/li\u003e\n\u003cli\u003eReplacement for NEMA 4X-style flow switches from\u003c\/li\u003e\n\u003cli\u003ePotter\/Taco, Watts, Penn and other manufacturers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003c\/div\u003e","brand":"McDonnell \u0026 Miller","offers":[{"title":"Default Title","offer_id":47344174629037,"sku":"120601","price":275.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/1McMill_FS8W_Generalpurposeflowswitchnema4xenclosuretop_46598.jpg?v=1787918381"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/collections\/McMill_FS43_1in_20liquid_20flow_20switch_20general_20purpose_20_side__4660.jpg?v=1787914226","url":"https:\/\/www.bostonheatingsupply.com\/collections\/mcdonnellmillerflowswitches.oembed","provider":"Boston Heating Supply","version":"1.0","type":"link"}