{"product_id":"superior-htflo-ek-heatflo-flex-extension-kit","title":"Superior HeatFlo Flex Extension Kit | HTFLO-EK-4.5, HTFLO-EK-5","description":"\u003cp\u003e\u003cb\u003eSuperior HeatFlo extensions, listed by our distributor as the HTFLO-EK-4.5 HeatFlo flex extension (catalog F4578) and the HTFLO-EK-5, a 5 inch HeatFlo extension kit for 45 DV units (catalog F4827).\u003c\/b\u003e They extend a HeatFlo installation, which moves warm air from the fireplace to vents away from the wall above it. Confirm your fireplace model and HeatFlo kit with us before ordering.\u003c\/p\u003e\n\u003ch2\u003eAt a glance\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHTFLO-EK-4.5 \/ 5\u003c\/strong\u003e: Part numbers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAs listed\u003c\/strong\u003e: Fit per our distributor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeatFlo\u003c\/strong\u003e: Flex extension\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFit check\u003c\/strong\u003e: Send model and serial\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDetails\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart numbers\u003c\/th\u003e\n\u003ctd\u003eHTFLO-EK-4.5, HTFLO-EK-5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCatalog numbers\u003c\/th\u003e\n\u003ctd\u003eF4578 (HTFLO-EK-4.5), F4827 (HTFLO-EK-5)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHTFLO-EK-4.5 as listed\u003c\/th\u003e\n\u003ctd\u003eF4578 HeatFlo Flex Extension\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHTFLO-EK-5 as listed\u003c\/th\u003e\n\u003ctd\u003eF4827 Kit, 5\" HeatFlo Ext. Kit, 45 DV Units\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eListed fit\u003c\/th\u003e\n\u003ctd\u003eHTFLO-EK-5: 45 DV units, as listed. HTFLO-EK-4.5: not given; match by part number\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold as\u003c\/th\u003e\n\u003ctd\u003eEach\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eSuperior (Innovative Hearth Products)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eInstall to the HeatFlo instructions.\u003c\/strong\u003e A qualified installer should fit the extension following the HeatFlo kit and fireplace instructions and local codes.\u003c\/p\u003e\n\u003ch2\u003eQuestions people ask us\u003c\/h2\u003e\u003ch3\u003eWill this fit my fireplace?\u003c\/h3\u003e\u003cp\u003eFit is as listed by our distributor. \u003cb\u003eConfirm your model and serial number before ordering\u003c\/b\u003e; \u003ca href=\"\/pages\/contact-us\"\u003esend them to us\u003c\/a\u003e and we will check fit before you buy. The number on your old part or in your manual's parts list is the best match.\u003c\/p\u003e\u003ch3\u003eDo I still need a HeatFlo kit?\u003c\/h3\u003e\u003cp\u003eYes. This is listed as an \u003cb\u003eextension\u003c\/b\u003e, not a complete kit. The HeatFlo kit for your fireplace is a separate part; send us the model and we will match both.\u003c\/p\u003e\u003ch3\u003eWhen is an extension kit needed?\u003c\/h3\u003e\u003cp\u003eWhen the HeatFlo register sits further above the fireplace than the base kit reaches. Your HeatFlo instructions set the limits; \u003ca href=\"\/pages\/contact-us\"\u003esend us the heights\u003c\/a\u003e and we will check.\u003c\/p\u003e\u003ch3\u003eWhat is included?\u003c\/h3\u003e\u003cp\u003eOne HeatFlo extension in the model you choose, as listed by our distributor. The HeatFlo kit itself is separate.\u003c\/p\u003e\u003ch3\u003eWho do I ask about returns or questions?\u003c\/h3\u003e\u003cp\u003eAsk before you order and we will help you confirm the number. For a return or any question after delivery, \u003ca href=\"\/pages\/contact-us\"\u003econtact us\u003c\/a\u003e first and we will explain the options.\u003c\/p\u003e","brand":"Superior","offers":[{"title":"HTFLO-EK-4.5","offer_id":67636513636626,"sku":"HTFLO-EK-4.5","price":449.0,"currency_code":"USD","in_stock":true},{"title":"HTFLO-EK-5","offer_id":67636513669394,"sku":"HTFLO-EK-5","price":786.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/2279\/1186\/files\/superior-htflo-ek-heatflo-flex-extension-kit.png?v=1792699957","url":"https:\/\/www.aquaterrabackyard.com\/products\/superior-htflo-ek-heatflo-flex-extension-kit","provider":"Aqua Terra Backyard","version":"1.0","type":"link"}