{"product_id":"duravent-20-flex-pipe-length-duraflex-304-stainless-steel-tee-kit","title":"DuraVent 20' Flex Pipe Length DuraFlex 304 Stainless Steel Tee Kit","description":"\u003ch3 style=\"text-align: center;\"\u003eDuraVent 20' Flex Pipe Length DuraFlex 304 Stainless Steel Tee Kit\u003c\/h3\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-6a43b619-0ba0-83e9-8ec8-3118c3ecac8e-4\" 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-4\" data-turn-id-container=\"request-6a43b619-0ba0-83e9-8ec8-3118c3ecac8e-4\" data-testid=\"conversation-turn-1782\" 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=\"3885d810-39ba-4c29-8208-c44757fd448d\" 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=\"673\"\u003eThe \u003cstrong data-start=\"4\" data-end=\"57\"\u003eDuraVent 20' DuraFlex 304 Stainless Steel Tee Kit\u003c\/strong\u003e is a high-performance flexible chimney liner kit designed for dependable masonry chimney relining and efficient venting of residential heating appliances. Manufactured from durable 304 stainless steel, this 20-foot chimney liner kit is ideal for solid fuel, wood-burning, non-condensing gas, and oil-fired appliances where minimal chimney offsets are present. The flexible design allows for easier installation while providing reliable corrosion resistance and long-lasting performance. DuraFlex 304 components are UL 1777 and ULC S635 listed, ensuring a safe and trusted chimney liner solution.\u003c\/p\u003e\n\u003cp data-start=\"675\" data-end=\"1231\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eEngineered for professional chimney restoration and fireplace venting applications, the DuraFlex 304 Tee Kit helps create secure connections while maintaining proper flue gas flow and appliance efficiency. This stainless steel chimney liner system is an excellent choice for wood stoves, fireplace inserts, furnaces, boilers, and oil heating systems. With DuraVent’s proven quality and durable construction, the DuraFlex 304 Tee Kit delivers installation flexibility, dependable performance, and enhanced protection for masonry chimney systems\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\u003cdiv class=\"\" data-turn-id-container=\"request-6a43b619-0ba0-83e9-8ec8-3118c3ecac8e-5\" 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-5\" data-turn-id-container=\"request-6a43b619-0ba0-83e9-8ec8-3118c3ecac8e-5\" data-testid=\"conversation-turn-1784\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--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=\"156fd91f-4c26-4528-8bce-a96b9cb2ed4e\" 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\" data-turn-start-message=\"true\" tabindex=\"0\"\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\u003cul data-start=\"0\" data-end=\"1818\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"2hujt\" data-start=\"0\" data-end=\"200\"\u003e\n\u003cstrong data-start=\"2\" data-end=\"56\" data-is-only-node=\"\"\u003eDuraVent 20' DuraFlex 304 Stainless Steel Tee Kit:\u003c\/strong\u003e Complete flexible chimney liner tee kit designed for professional masonry chimney relining and reliable venting system installations.\u003c\/li\u003e\n\u003cli data-section-id=\"dcjer8\" data-start=\"201\" data-end=\"402\"\u003e\n\u003cstrong data-start=\"203\" data-end=\"248\" data-is-only-node=\"\"\u003eDurable 304 Stainless Steel Construction:\u003c\/strong\u003e Manufactured from 304 stainless steel for excellent corrosion resistance, strength, and long-lasting performance in demanding chimney applications.\u003c\/li\u003e\n\u003cli data-section-id=\"1vc03lc\" data-start=\"403\" data-end=\"558\"\u003e\n\u003cstrong data-start=\"405\" data-end=\"444\" data-is-only-node=\"\"\u003e20-Foot Flexible Chimney Liner Kit:\u003c\/strong\u003e Includes a 20-foot flex pipe length to support chimney restoration projects and efficient venting upgrades.\u003c\/li\u003e\n\u003cli data-section-id=\"1coo74e\" data-start=\"559\" data-end=\"762\"\u003e\n\u003cstrong data-start=\"561\" data-end=\"593\" data-is-only-node=\"\"\u003eWide Diameter Compatibility:\u003c\/strong\u003e Available in\u003cstrong\u003e \u003c\/strong\u003e3\" to 8\" diameters, offering flexible installation options for wood stoves, fireplaces, fireplace inserts, furnaces, boilers, and oil appliances.\u003c\/li\u003e\n\u003cli data-section-id=\"1jq2767\" data-start=\"763\" data-end=\"923\"\u003e\n\u003cstrong data-start=\"765\" data-end=\"798\" data-is-only-node=\"\"\u003eMultiple Flex Length Options:\u003c\/strong\u003e Available in 15', 20', 25', 30', and 35' lengths to accommodate various chimney heights and installation requirements.\u003c\/li\u003e\n\u003cli data-section-id=\"1uy7jxv\" data-start=\"924\" data-end=\"1066\"\u003e\n\u003cstrong data-start=\"926\" data-end=\"966\" data-is-only-node=\"\"\u003eSupports Multiple Fuel Applications:\u003c\/strong\u003e Designed for use with\u003cstrong\u003e \u003c\/strong\u003esolid fuel, wood-burning, non-condensing gas, and oil-fired appliances.\u003c\/li\u003e\n\u003cli data-section-id=\"gaxef1\" data-start=\"1067\" data-end=\"1238\"\u003e\n\u003cstrong data-start=\"1069\" data-end=\"1100\" data-is-only-node=\"\"\u003eIdeal for Chimney Relining:\u003c\/strong\u003e Helps improve chimney performance, restore aging masonry chimneys, and provide a dependable\u003cstrong\u003e \u003c\/strong\u003estainless steel chimney liner solution.\u003c\/li\u003e\n\u003cli data-section-id=\"j0qutu\" data-start=\"1239\" data-end=\"1420\"\u003e\n\u003cstrong data-start=\"1241\" data-end=\"1281\" data-is-only-node=\"\"\u003eEasy Installation \u0026amp; Flexible Design:\u003c\/strong\u003e The flexible liner construction simplifies installation through existing chimney pathways while maintaining efficient flue gas movement.\u003c\/li\u003e\n\u003cli data-section-id=\"1m6r2b8\" data-start=\"1421\" data-end=\"1594\"\u003e\n\u003cstrong data-start=\"1423\" data-end=\"1458\" data-is-only-node=\"\"\u003eUL Listed Chimney Liner System:\u003c\/strong\u003e Part of the trusted DuraVent DuraFlex 304 series, providing a safe and code-compliant UL 1777 listed chimney relining system.\u003c\/li\u003e\n\u003c\/ul\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\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;\"\u003e3DF304-20KT\u003c\/td\u003e\n\u003ctd style=\"width: 178.198px;\"\u003e3\" I.D\u003c\/td\u003e\n\u003ctd style=\"width: 193.802px;\"\u003e20 ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003e4DF304-20KT\u003c\/td\u003e\n\u003ctd style=\"width: 178.198px;\"\u003e4\" I.D\u003c\/td\u003e\n\u003ctd style=\"width: 193.802px;\"\u003e20 ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003e5DF304-20KT\u003c\/td\u003e\n\u003ctd style=\"width: 178.198px;\"\u003e5\" I.D\u003c\/td\u003e\n\u003ctd style=\"width: 193.802px;\"\u003e20 ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003e55DF304-20KT\u003c\/td\u003e\n\u003ctd style=\"width: 178.198px;\"\u003e5.5\" I.D\u003c\/td\u003e\n\u003ctd style=\"width: 193.802px;\"\u003e20 ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003e6DF304-20KT\u003c\/td\u003e\n\u003ctd style=\"width: 178.198px;\"\u003e6\" I.D\u003c\/td\u003e\n\u003ctd style=\"width: 193.802px;\"\u003e20 ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003e7DF304-20KT\u003c\/td\u003e\n\u003ctd style=\"width: 178.198px;\"\u003e7\" I.D\u003c\/td\u003e\n\u003ctd style=\"width: 193.802px;\"\u003e20 ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003e8DF304-20KT\u003c\/td\u003e\n\u003ctd style=\"width: 178.198px;\"\u003e8\" I.D\u003c\/td\u003e\n\u003ctd style=\"width: 193.802px;\"\u003e20 ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003eMaterials\u003c\/td\u003e\n\u003ctd colspan=\"2\" style=\"width: 372px;\"\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003eConstruction\u003c\/td\u003e\n\u003ctd colspan=\"2\" style=\"width: 372px;\"\u003eSingle-Wall\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;\"\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 colspan=\"2\" 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;\"\u003eListings\u003c\/td\u003e\n\u003ctd colspan=\"2\" 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;\"\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_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":"15 \/ 3\"DF304-20KT","offer_id":53631909757219,"sku":"3DF304-20KT","price":1694.0,"currency_code":"USD","in_stock":true},{"title":"15 \/ 4\"DF304-20KT","offer_id":55325683974435,"sku":"4DF304-20KT","price":1427.0,"currency_code":"USD","in_stock":true},{"title":"15 \/ 5\"DF304-20KT","offer_id":55325684007203,"sku":"5DF304-20KT","price":1260.0,"currency_code":"USD","in_stock":true},{"title":"15 \/ 5.5\"DF304-20KT","offer_id":55325684039971,"sku":"5.5DF304-20KT","price":1194.0,"currency_code":"USD","in_stock":true},{"title":"15 \/ 6\"DF304-20KT","offer_id":55325684072739,"sku":"6DF304-20KT","price":1112.0,"currency_code":"USD","in_stock":true},{"title":"15 \/ 7\"DF304-20KT","offer_id":55325684105507,"sku":"7DF304-20KT","price":933.0,"currency_code":"USD","in_stock":true},{"title":"15 \/ 8\"DF304-20KT","offer_id":55325684138275,"sku":"8DF304-20KT","price":1400.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/6926\/8771\/files\/DuraVent-20_-Flex-Pipe-Length-DuraFlex-304-Stainless-Steel-Tee-Kit-DuraVent-Dreamwood-Living-26066416.jpg?v=1780434906","url":"https:\/\/www.dreamwoodliving.com\/products\/duravent-20-flex-pipe-length-duraflex-304-stainless-steel-tee-kit","provider":"Dreamwood Living","version":"1.0","type":"link"}