{"product_id":"tjernlund-hs3-commercial-side-wall-power-venter","title":"Tjernlund HS3 Commercial Side Wall Power Venter","description":"\u003cspan style=\" font-size: 12pt; color: #000000;\"\u003e\u003cspan style=\"font-size: 12pt;\"\u003eThe HS3 is used for side wall venting commercial natural gas or LP fired equipment including: boilers, water heaters and unit heaters.  All models feature the new UC1 Universal Control and a diaphragm Fan Proving Switch safety interlock which will shut down heating equipment if a venting malfunction occurs.  UC1 Universal Control features include; adjustable pre and post-purge settings, LED Status\/diagnostic indicators, Fan Prover switch monitoring.  Interlocks with any 24-120 VAC burner control circuit and also includes \"dry\" contact actuation option.  Easily interlock multiple appliances with our MAC-Series multiple appliance controls.\u003c\/span\u003e\u003cspan style=\"font-size: 12pt;\"\u003e \u003c\/span\u003e\u003cspan style=\"font-size: 12pt;\"\u003eAllows for a significant reduction in vent pipe diameter to save on costly materials and labor.  Built-in adjustable damper also allows regulation for maximum combustion efficiency.\u003cbr\u003e \u003cbr style=\"font-weight: bold;\"\u003e \u003cspan style=\"font-weight: bold;\"\u003eRESOURCES\u003cbr\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"http:\/\/www.tjernlund.com\/Tjernlund_8506002b.pdf\"\u003eTjernlund HS3 Specifications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"http:\/\/www.tjernlund.com\/Tjernlund_8504111C.PDF\"\u003eTjernlund HS3 Installation Manual\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"http:\/\/www.tjernlund.com\/Tjernlund_8500004.pdf\"\u003eTjernlund UC1 Universal Control Brochure\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"http:\/\/www.tjernlund.com\/Tjernlund_8504107d.PDF\"\u003eTjernlund UC1 Universal Control Installation Manual\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e \u003cimg border=\"0px\" align=\"\" style=\"width: 878px; height: 541px;\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/Tjernlund_-_HS3_-_Diagram.jpg?v=1788404080\"\u003e","brand":"Tjernlund","offers":[{"title":"Default Title","offer_id":47344106438829,"sku":"14890","price":989.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/TjernlundHSJ.3.jpg?v=1787902752","url":"https:\/\/www.bostonheatingsupply.com\/products\/tjernlund-hs3-commercial-side-wall-power-venter","provider":"Boston Heating Supply","version":"1.0","type":"link"}