{"product_id":"duravent-25-duraflex-al-kit-flex-relining-type-b-gas-vent-pipe","title":"DuraVent 25' DuraFlex AL Kit Flex Relining Type B Gas Vent Pipe","description":"\u003ch3 style=\"text-align: center;\"\u003eDuraVent 25' DuraFlex AL Kit Flex Relining Type B Gas Vent Pipe\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eDuraVent 25' DuraFlex AL Kit Flex Relining Type B Gas Vent Pipe\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is an economical \u003c\/span\u003eflexible chimney liner system designed for masonry chimney relining applications with Category I natural gas and liquid propane appliances. This Type B Gas Vent compatible liner kit is ideal for gas fireplaces, furnaces, boilers, water heaters, and wall or space heating appliances, helping protect masonry chimneys from damaging flue gas condensation while improving venting performance and safety.\u003c\/p\u003e\n\u003cp\u003eEngineered by DuraVent, a trusted leader in chimney and venting solutions, the DuraFlex Aluminum liner kit provides a lightweight and flexible installation option for various residential and commercial applications. Its durable aluminum construction offers reliable corrosion resistance and easy installation through existing chimney structures, delivering a cost-effective solution for gas appliance venting, chimney restoration, and Type B gas vent relining systems.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"1cd2jvd\" data-start=\"0\" data-end=\"237\"\u003e\n\u003cstrong data-start=\"2\" data-end=\"45\" data-is-only-node=\"\"\u003eDuraFlex AL Flexible Chimney Liner Kit:\u003c\/strong\u003e The DuraVent 25' DuraFlex AL Kit Flex Relining Type B Gas Vent Pipe is an economical flexible chimney relining system designed for safe and efficient Type B Gas Vent applications.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"p0hzms\" data-start=\"238\" data-end=\"431\"\u003e\n\u003cstrong data-start=\"240\" data-end=\"283\" data-is-only-node=\"\"\u003eDesigned for Category I Gas Appliances:\u003c\/strong\u003e Ideal for natural gas and liquid propane appliances, including gas fireplaces, furnaces, boilers, water heaters, and wall or space heaters.\u003c\/li\u003e\n\u003cli data-section-id=\"1ekkfwr\" data-start=\"432\" data-end=\"612\"\u003e\n\u003cstrong data-start=\"434\" data-end=\"470\" data-is-only-node=\"\"\u003eAvailable in Multiple Diameters:\u003c\/strong\u003e Offered in 3-inch to 8-inch diameters to provide versatile solutions for various masonry chimney relining and gas vent installations.\u003c\/li\u003e\n\u003cli data-section-id=\"5w7dtt\" data-start=\"613\" data-end=\"815\"\u003e\n\u003cstrong data-start=\"615\" data-end=\"649\" data-is-only-node=\"\"\u003eFlexible Installation Options:\u003c\/strong\u003e Available in 25-foot and 35-foot flex lengths, allowing easier installation through existing chimney structures and accommodating different venting requirements.\u003c\/li\u003e\n\u003cli data-section-id=\"o2vwmh\" data-start=\"816\" data-end=\"991\"\u003e\n\u003cstrong data-start=\"818\" data-end=\"848\" data-is-only-node=\"\"\u003eProtects Masonry Chimneys:\u003c\/strong\u003e Helps shield masonry chimneys from the damaging effects of flue gas condensation, extending chimney life and improving system reliability.\u003c\/li\u003e\n\u003cli data-section-id=\"1imy6fa\" data-start=\"992\" data-end=\"1175\"\u003e\n\u003cstrong data-start=\"994\" data-end=\"1028\" data-is-only-node=\"\"\u003eDurable Aluminum Construction:\u003c\/strong\u003e Manufactured with lightweight aluminum flex liner material for dependable performance and cost-effective chimney restoration applications.\u003c\/li\u003e\n\u003cli data-section-id=\"k2xq43\" data-start=\"1176\" data-end=\"1377\" data-is-last-node=\"\"\u003e\n\u003cstrong data-start=\"1178\" data-end=\"1221\" data-is-only-node=\"\"\u003eProfessional DuraVent Venting Solution:\u003c\/strong\u003e Engineered by DuraVent, a trusted name in chimney liners, gas vent systems, and HVAC venting products for residential and commercial installations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width: 520px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"width: 178.198px;\"\u003eSize\u003c\/td\u003e\n\u003ctd style=\"width: 193.802px;\"\u003eFlex Length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003e\u003cspan\u003e3DFA-25K\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 178.198px;\"\u003e3\" I.D\u003c\/td\u003e\n\u003ctd style=\"width: 193.802px;\"\u003e25 ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003e4DFA-25K\u003c\/td\u003e\n\u003ctd style=\"width: 178.198px;\"\u003e4\" I.D \u003c\/td\u003e\n\u003ctd style=\"width: 193.802px;\"\u003e25 ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003e5DFA-25K\u003c\/td\u003e\n\u003ctd style=\"width: 178.198px;\"\u003e5\" I.D\u003c\/td\u003e\n\u003ctd style=\"width: 193.802px;\"\u003e25 ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003e55DFA-25K\u003c\/td\u003e\n\u003ctd style=\"width: 178.198px;\"\u003e5.5\" I.D\u003c\/td\u003e\n\u003ctd style=\"width: 193.802px;\"\u003e25 ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003e6DFA-25K\u003c\/td\u003e\n\u003ctd style=\"width: 178.198px;\"\u003e6\" I.D\u003c\/td\u003e\n\u003ctd style=\"width: 193.802px;\"\u003e25 ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003e7DFA-25K\u003c\/td\u003e\n\u003ctd style=\"width: 178.198px;\"\u003e7\" I.D\u003c\/td\u003e\n\u003ctd style=\"width: 193.802px;\"\u003e25 ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003e8DFA-25K\u003c\/td\u003e\n\u003ctd style=\"width: 178.198px;\"\u003e8\" I.D\u003c\/td\u003e\n\u003ctd style=\"width: 193.802px;\"\u003e25 ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003eVent Construction\u003c\/td\u003e\n\u003ctd style=\"width: 372px;\" colspan=\"2\"\u003e\u003cspan\u003eDouble-Wall\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003eVent Type\u003c\/td\u003e\n\u003ctd colspan=\"2\" style=\"width: 372px;\"\u003e\u003cspan\u003eType B Gas Vent\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003e\u003cspan\u003eMaterials \u0026amp; Const.\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 372px;\" colspan=\"2\"\u003e\u003cspan\u003e010” aluminum (2-ply of .005”)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003eClearance\u003c\/td\u003e\n\u003ctd colspan=\"2\" style=\"width: 372px;\"\u003e\u003cspan\u003e0” clearance to masonry\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003eListings\u003c\/td\u003e\n\u003ctd colspan=\"2\" style=\"width: 372px;\"\u003e\u003cspan\u003eListed to UL 1777 and ULC S635\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd colspan=\"2\" style=\"width: 372px;\"\u003eLimited Lifetime Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDownloads\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0100\/7917\/4734\/files\/DuraFlex_AL_Catalog.pdf?v=1667002866\" target=\"_blank\"\u003e\u003cstrong\u003eProduct Catalog\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0100\/7917\/4734\/files\/DFAL_Warranty.pdf?v=1667002768\" target=\"_blank\"\u003e\u003cstrong\u003eProduct Warranty\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0100\/7917\/4734\/files\/DFAL_Installation_Instruction.pdf?v=1667002803\" target=\"_blank\"\u003e\u003cstrong\u003eInstallation Manual\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0100\/7917\/4734\/files\/Typical_Installations_DFAL.pdf?v=1667002846\" target=\"_blank\"\u003e\u003cstrong\u003eTypical Installations\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DuraVent","offers":[{"title":"3\"","offer_id":55342317076771,"sku":"3DFA-25K","price":368.0,"currency_code":"USD","in_stock":false},{"title":"4\"","offer_id":55342317109539,"sku":"4DFA-25K","price":392.0,"currency_code":"USD","in_stock":false},{"title":"5\"","offer_id":55342317142307,"sku":"5DFA-25K","price":463.0,"currency_code":"USD","in_stock":false},{"title":"5.5\"","offer_id":55342317175075,"sku":"55DFA-25K","price":486.0,"currency_code":"USD","in_stock":false},{"title":"6\"","offer_id":55342317207843,"sku":"6DFA-25K","price":508.0,"currency_code":"USD","in_stock":false},{"title":"7\"","offer_id":55342317240611,"sku":"7DFA-25K","price":602.0,"currency_code":"USD","in_stock":false},{"title":"8\"","offer_id":55342317273379,"sku":"8DFA-25K","price":777.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/6926\/8771\/files\/DuraVent-25_-DuraFlex-AL-Kit-Flex-Relining-Type-B-Gas-Vent-Pipe-DuraVent-Dreamwood-Living-25565673.jpg?v=1780433428","url":"https:\/\/www.dreamwoodliving.com\/products\/duravent-25-duraflex-al-kit-flex-relining-type-b-gas-vent-pipe","provider":"Dreamwood Living","version":"1.0","type":"link"}