{"product_id":"duravent-6-inch-duraflex-304-reline-kit","title":"DuraVent - 6\" Factory Built DuraFlex 304 Stainless Steel Reline Kit","description":"\u003cp\u003eElevate your chimney's performance and safeguard your home with the DuraVent 6\" Factory Built DuraFlex 304 Stainless Steel Reline Kit. As the foremost name in the venting industry, DuraVent has built a legacy of trust, innovation, and uncompromising quality. With DuraFlex Pro, we introduce the ultimate solution in flexible steel liners that redefine durability and flexibility.\u003c\/p\u003e\n\u003cp\u003eCrafted with 20% more stainless steel per foot compared to other liners on the market, DuraFlex Pro is engineered to last. Its exceptional flexibility simplifies even the most complex installations, accommodating multiple offsets effortlessly. Whether you're retrofitting a masonry chimney or enhancing the performance of your wood, gas, oil, or pellet appliance, DuraFlex Pro is your reliable partner. And rest assured, it's constructed with highly corrosion-resistant 316 Stainless Steel, boasting UL 1777 and ULC S635 listings for peace of mind.\u003c\/p\u003e\n\u003cp\u003eWith DuraFlex SW, you experience the pinnacle of chimney lining technology. The smooth inner-wall design ensures maximum appliance efficiency by eliminating output reduction. Say goodbye to ridges that hinder flue gas flow and accumulate deposits, as DuraFlex SW's innovative construction makes cleaning and maintenance a breeze. Ideal for relining masonry chimneys, it's your go-to solution for wood and gas-burning appliances, proudly listed to UL 1777.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eBenefits:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Safety:\u003c\/strong\u003e Reline your chimney to perfection, ensuring your wood-burning insert's optimal performance and safety.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnmatched Durability:\u003c\/strong\u003e DuraFlex Pro features 20% more stainless steel per foot, promising a long-lasting solution.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEffortless Flexibility:\u003c\/strong\u003e Tackle challenging installations with ease, thanks to DuraFlex Pro's extreme flexibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmooth Efficiency:\u003c\/strong\u003e DuraFlex SW's smooth inner wall maximizes appliance efficiency by eliminating output reduction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Maintenance:\u003c\/strong\u003e Bid farewell to ridges that trap deposits, as DuraFlex SW's design simplifies cleaning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Applications:\u003c\/strong\u003e Use it for wood, gas, oil, or pellet appliances, including fireplace inserts, furnaces, boilers, and water heaters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePeace of Mind:\u003c\/strong\u003e UL listings ensure the highest safety standards, providing you with confidence in your choice.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUse as a relining system for factory-built chimneys to be used with solid-fuel appliances in the USA.\u003c\/li\u003e\n\u003cli\u003eRelining is critical for performance and safety when a wood-burning insert is installed into an existing UL-127-listed fireplace.\u003c\/li\u003e\n\u003cli\u003eKit includes Cap, Storm Collar, Support Bracket, Ventilation Disk, Centering Bracket, DuraLiner 12\" Length, Flex Connector, Flex Length (25' or 35'), Adjustable Band, and Flex Adapter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e Applications:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eDuraFlex 304 flexible relining for a masonry chimney. Use with gas, wood pellet, oil, or wood appliances. Applications include fireplace inserts, furnaces, boilers, and water heaters.\u003c\/span\u003e\n\u003ch3\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable style=\"width: 520px;\" data-mce-style=\"width: 520px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\" data-mce-style=\"width: 128px;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"width: 178.198px;\" data-mce-style=\"width: 178.198px;\"\u003eSize\u003c\/td\u003e\n\u003ctd style=\"width: 193.802px;\" data-mce-style=\"width: 193.802px;\"\u003eFlex Length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\" data-mce-style=\"width: 128px;\"\u003e6DF304-25KFB\u003c\/td\u003e\n\u003ctd style=\"width: 178.198px;\" data-mce-style=\"width: 178.198px;\"\u003e6\" I.D\u003c\/td\u003e\n\u003ctd style=\"width: 193.802px;\" data-mce-style=\"width: 193.802px;\"\u003e25 ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\" data-mce-style=\"width: 128px;\"\u003e6DF304-35KFB\u003c\/td\u003e\n\u003ctd style=\"width: 178.198px;\" data-mce-style=\"width: 178.198px;\"\u003e6\" I.D\u003c\/td\u003e\n\u003ctd style=\"width: 193.802px;\" data-mce-style=\"width: 193.802px;\"\u003e35 ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\" data-mce-style=\"width: 128px;\"\u003eConstruction\u003c\/td\u003e\n\u003ctd colspan=\"2\" style=\"width: 372px;\" data-mce-style=\"width: 372px;\"\u003eSingle-Wall\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\" data-mce-style=\"width: 128px;\"\u003eClearance\u003c\/td\u003e\n\u003ctd colspan=\"2\" style=\"width: 372px;\" data-mce-style=\"width: 372px;\"\u003e0” clearance for gas, oil, and pellet applications.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\" data-mce-style=\"width: 128px;\"\u003eClearance\u003c\/td\u003e\n\u003ctd colspan=\"2\" style=\"width: 372px;\" data-mce-style=\"width: 372px;\"\u003e1” clearance to masonry for wood-burning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\" data-mce-style=\"width: 128px;\"\u003eListings\u003c\/td\u003e\n\u003ctd colspan=\"2\" style=\"width: 372px;\" data-mce-style=\"width: 372px;\"\u003eListed to UL 1777 and ULC S635 (MH45609).\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\" data-mce-style=\"width: 128px;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd colspan=\"2\" style=\"width: 372px;\" data-mce-style=\"width: 372px;\"\u003eLimited-lifetime warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eDownloads\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #ff8000;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0591\/9912\/7740\/files\/DuraFlex_Catalog.pdf?v=1693424168\" style=\"color: #ff8000;\"\u003e\u003cspan style=\"text-decoration: underline;\" data-mce-style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eProduct Catalog\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #ff8000;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0591\/9912\/7740\/files\/DuraFlex_Installation_Manual.pdf?v=1693424196\" style=\"color: #ff8000;\"\u003e\u003cspan style=\"text-decoration: underline;\" data-mce-style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eInstruction Manual\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eAbout the Manufacturer:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"safety-warning\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0591\/9912\/7740\/files\/Duravent_Logo_TM_RGB-1024x179_240x240.png?v=1693424318\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eConsistently the first to market with new innovations in venting systems, DuraVent has captured a leadership position in emerging markets. DuraVent has patents for several products and continues to design safe and technologically advanced venting.The company’s research into solving problems with corrosion, when biofuels such as corn are used, led to the break-through patent for PelletVent Pro.\u003c\/p\u003e","brand":"DuraVent","offers":[{"title":"25'","offer_id":53065281437995,"sku":"6DF304-25KFB","price":1414.98,"currency_code":"USD","in_stock":true},{"title":"35'","offer_id":53065281470763,"sku":"6DF304-35KFB","price":1704.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/8491\/6523\/files\/duravent-6-factory-built-duraflex-304-stainless-steel-reline-kit-33867006181546.jpg?v=1775147083","url":"https:\/\/nationfireplace.com\/products\/duravent-6-inch-duraflex-304-reline-kit","provider":"nationfireplace.com","version":"1.0","type":"link"}