{"product_id":"duravent-6-factory-built-duraflex-304-stainless-steel-reline-kit","title":"DuraVent 6\" Factory Built DuraFlex 304 Stainless Steel Reline Kit","description":"\u003ch3 style=\"text-align: center;\"\u003eDuraVent 6\" Factory Built DuraFlex 304 Stainless Steel Reline Kit\u003c\/h3\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-6a43b619-0ba0-83e9-8ec8-3118c3ecac8e-0\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6a43b619-0ba0-83e9-8ec8-3118c3ecac8e-0\" data-turn-id-container=\"request-6a43b619-0ba0-83e9-8ec8-3118c3ecac8e-0\" data-testid=\"conversation-turn-1826\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"cb06277d-b2fd-40f9-9609-e9dff91da6e2\" dir=\"auto\" data-message-model-slug=\"gpt-5-5-mini\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"570\"\u003eThe \u003cstrong data-start=\"4\" data-end=\"73\"\u003eDuraVent 6\" Factory Built DuraFlex 304 Stainless Steel Reline Kit\u003c\/strong\u003e is a reliable chimney relining solution designed to improve the safety and performance of factory-built chimney systems. Manufactured with durable 304 stainless steel, this flexible chimney liner kit is ideal for wood-burning appliances, non-condensing gas appliances, and oil-fired heating systems where minimal chimney offsets are present. The lightweight DuraFlex 304 design provides excellent corrosion resistance, installation flexibility, and long-lasting venting performance.\u003c\/p\u003e\n\u003cp data-start=\"572\" data-end=\"1178\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eEngineered for professional factory-built chimney restoration and fireplace insert installations, the DuraFlex 304 stainless steel chimney liner system helps maintain proper draft, improve flue efficiency, and protect chimney structures from heat and corrosive combustion byproducts. Listed to UL 1777 and ULC S635 standards, this 6-inch chimney liner kit delivers dependable, code-compliant performance for wood stoves, fireplace inserts, and solid-fuel heating applications. DuraVent’s trusted DuraFlex technology provides a durable upgrade for safer and more efficient chimney operation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"eurqyp\" data-start=\"0\" data-end=\"226\"\u003e\n\u003cstrong data-start=\"2\" data-end=\"72\" data-is-only-node=\"\"\u003eDuraVent 6\" Factory-Built DuraFlex 304 Stainless Steel Reline Kit:\u003c\/strong\u003e Professional chimney relining system designed specifically for upgrading factory-built chimneys used with solid-fuel appliances in the USA.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"zb5uj7\" data-start=\"227\" data-end=\"429\"\u003e\n\u003cstrong data-start=\"229\" data-end=\"280\" data-is-only-node=\"\"\u003e304 Stainless Steel Chimney Liner Construction:\u003c\/strong\u003e Manufactured from durable 304 stainless steel to provide excellent corrosion resistance, strength, and reliable long-term chimney performance.\u003c\/li\u003e\n\u003cli data-section-id=\"1ja9mcb\" data-start=\"430\" data-end=\"639\"\u003e\n\u003cstrong data-start=\"432\" data-end=\"483\" data-is-only-node=\"\"\u003eDesigned for Wood-Burning Insert Installations:\u003c\/strong\u003e Critical for maintaining performance and safety when installing a wood-burning insert into an existing UL-127-listed factory-built fireplace.\u003c\/li\u003e\n\u003cli data-section-id=\"14w4hxz\" data-start=\"640\" data-end=\"815\"\u003e\n\u003cstrong data-start=\"642\" data-end=\"682\" data-is-only-node=\"\"\u003eImproves Chimney Draft \u0026amp; Efficiency:\u003c\/strong\u003e Helps restore proper venting performance, enhance flue gas flow, and support efficient operation of solid-fuel heating appliances.\u003c\/li\u003e\n\u003cli data-section-id=\"1jy0ba4\" data-start=\"816\" data-end=\"997\"\u003e\n\u003cstrong data-start=\"818\" data-end=\"857\" data-is-only-node=\"\"\u003eFlexible Chimney Relining Solution:\u003c\/strong\u003e The 6-inch flexible stainless steel liner allows easier installation while adapting to existing factory-built chimney configurations.\u003c\/li\u003e\n\u003cli data-section-id=\"9d567r\" data-start=\"998\" data-end=\"1179\"\u003e\n\u003cstrong data-start=\"1000\" data-end=\"1034\" data-is-only-node=\"\"\u003eCompatible Chimney Size Range:\u003c\/strong\u003e Designed for chimneys with a minimum 8-inch inner diameter and a maximum 14-inch outer diameter for proper liner fit and installation.\u003c\/li\u003e\n\u003cli data-section-id=\"16ghs5p\" data-start=\"1180\" data-end=\"1361\"\u003e\n\u003cstrong data-start=\"1182\" data-end=\"1222\" data-is-only-node=\"\"\u003eFactory-Built Fireplace Upgrade Kit:\u003c\/strong\u003e Provides a reliable chimney liner replacement solution for fireplace inserts, wood stoves, and solid-fuel appliance venting systems.\u003c\/li\u003e\n\u003cli data-section-id=\"m7643m\" data-start=\"1362\" data-end=\"1535\"\u003e\n\u003cstrong data-start=\"1364\" data-end=\"1392\" data-is-only-node=\"\"\u003eEnhances Chimney Safety:\u003c\/strong\u003e Helps protect existing chimney structures from heat, combustion byproducts, and potential venting issues caused by outdated chimney systems.\u003c\/li\u003e\n\u003cli data-section-id=\"11z41o8\" data-start=\"1536\" data-end=\"1709\"\u003e\n\u003cstrong data-start=\"1538\" data-end=\"1573\" data-is-only-node=\"\"\u003eCode-Compliant DuraFlex System:\u003c\/strong\u003e Part of the trusted DuraVent DuraFlex 304 series, designed for professional chimney restoration and safe solid-fuel applications.\u003c\/li\u003e\n\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;\"\u003e6DF304-25KFB\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;\"\u003e6DF304-35KFB\u003c\/td\u003e\n\u003ctd style=\"width: 178.198px;\"\u003e6\" I.D\u003c\/td\u003e\n\u003ctd style=\"width: 193.802px;\"\u003e35 ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003eConstruction\u003c\/td\u003e\n\u003ctd style=\"width: 372px;\" colspan=\"2\"\u003eSingle-Wall\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003eClearance\u003c\/td\u003e\n\u003ctd style=\"width: 372px;\" colspan=\"2\"\u003e0” clearance for gas, oil, and pellet applications.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003eClearance\u003c\/td\u003e\n\u003ctd style=\"width: 372px;\" colspan=\"2\"\u003e1” clearance to masonry for wood-burning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003eListings\u003c\/td\u003e\n\u003ctd style=\"width: 372px;\" colspan=\"2\"\u003eListed to UL 1777 and ULC S635 (MH45609).\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"width: 372px;\" colspan=\"2\"\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_Catalog.pdf?v=1652650777\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eProduct Catalog\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0100\/7917\/4734\/files\/DuraFlex_Installation_Manual.pdf?v=1652650795\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eInstruction Manual\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DuraVent","offers":[{"title":"25\"","offer_id":53631924470051,"sku":"6DF304-25KFB","price":1949.0,"currency_code":"USD","in_stock":true},{"title":"35\"","offer_id":55328723861795,"sku":"6DF304-35KFB","price":2349.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/6926\/8771\/files\/DuraVent-6_-Factory-Built-DuraFlex-304-Stainless-Steel-Reline-Kit-DuraVent-Dreamwood-Living-26066529.jpg?v=1780434908","url":"https:\/\/www.dreamwoodliving.com\/products\/duravent-6-factory-built-duraflex-304-stainless-steel-reline-kit","provider":"Dreamwood Living","version":"1.0","type":"link"}