{"product_id":"duravent-25-flex-pipe-length-duraflex-304-stainless-steel-tee-kit","title":"DuraVent 25' Flex Pipe Length DuraFlex 304 Stainless Steel Tee Kit","description":"\u003ch3 style=\"text-align: center;\"\u003eDuraVent 25' 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-1794\" 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=\"f5c3a53e-92fc-4d4c-aa04-1516b21adea1\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" 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=\"724\"\u003eThe \u003cstrong data-start=\"4\" data-end=\"57\"\u003eDuraVent 25' DuraFlex 304 Stainless Steel Tee Kit\u003c\/strong\u003e is a premium flexible chimney liner kit designed for dependable masonry chimney relining and efficient venting in residential and commercial heating systems. Featuring a 25-foot 304 stainless steel chimney liner, this tee kit is ideal for wood-burning fireplaces, wood stoves, non-condensing gas appliances, and oil-fired heating equipment with minimal chimney offsets. Its lightweight, flexible construction simplifies installation while providing excellent corrosion resistance and long-lasting durability. The DuraFlex 304 system is UL 1777 and ULC S635 listed, ensuring safe, code-compliant performance for professional chimney installations.\u003c\/p\u003e\n\u003cp data-start=\"726\" data-end=\"1305\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eDesigned for reliable chimney restoration and venting upgrades, the DuraFlex 304 Tee Kit promotes smooth flue gas flow while helping protect masonry chimneys from heat, moisture, and corrosive byproducts. The included tee connection provides a secure transition and convenient access for maintenance, making it an excellent solution for fireplace inserts, furnaces, boilers, and oil heating systems. Built with DuraVent’s trusted engineering, this stainless steel chimney liner kit delivers dependable performance, installation flexibility, and long-term reliability\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=\"11if42z\" data-start=\"0\" data-end=\"193\"\u003e\n\u003cstrong data-start=\"2\" data-end=\"56\" data-is-only-node=\"\"\u003eDuraVent 25' DuraFlex 304 Stainless Steel Tee Kit:\u003c\/strong\u003e Complete 25-foot flexible chimney liner tee kit engineered for professional masonry chimney relining and vent system upgrades.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"tippj8\" data-start=\"194\" data-end=\"378\"\u003e\n\u003cstrong data-start=\"196\" data-end=\"241\" data-is-only-node=\"\"\u003ePremium 304 Stainless Steel Construction:\u003c\/strong\u003e Manufactured from 304 stainless steel for outstanding corrosion resistance, durability, and long-lasting chimney vent performance.\u003c\/li\u003e\n\u003cli data-section-id=\"197ggav\" data-start=\"379\" data-end=\"544\"\u003e\n\u003cstrong data-start=\"381\" data-end=\"416\" data-is-only-node=\"\"\u003e25-Foot Flexible Chimney Liner:\u003c\/strong\u003e Includes a 25-foot stainless steel flex pipe designed to simplify installations in masonry chimneys with minimal offsets.\u003c\/li\u003e\n\u003cli data-section-id=\"v0p354\" data-start=\"545\" data-end=\"735\"\u003e\n\u003cstrong data-start=\"547\" data-end=\"583\" data-is-only-node=\"\"\u003eAvailable in 3\" to 8\" Diameters:\u003c\/strong\u003e Offered in\u003cstrong\u003e \u003c\/strong\u003e3\", 4\", 5\", 6\", 7\", and 8\" diameter options to fit a wide range of wood stoves, fireplaces, furnaces, boilers, and oil appliances.\u003c\/li\u003e\n\u003cli data-section-id=\"1difm62\" data-start=\"736\" data-end=\"893\"\u003e\n\u003cstrong data-start=\"738\" data-end=\"771\" data-is-only-node=\"\"\u003eMultiple Flex Length Options:\u003c\/strong\u003e Available in 15', 20', 25', 30', and 35' lengths to accommodate different chimney heights and venting requirements.\u003c\/li\u003e\n\u003cli data-section-id=\"3gm0iu\" data-start=\"894\" data-end=\"1066\"\u003e\n\u003cstrong data-start=\"896\" data-end=\"937\" data-is-only-node=\"\"\u003eIdeal for Wood, Gas \u0026amp; Oil Appliances:\u003c\/strong\u003e Designed for solid fuel, non-condensing gas, and oil-fired heating systems, providing versatile chimney liner performance.\u003c\/li\u003e\n\u003cli data-section-id=\"ndhmhm\" data-start=\"1067\" data-end=\"1215\"\u003e\n\u003cstrong data-start=\"1069\" data-end=\"1109\" data-is-only-node=\"\"\u003eImproves Chimney Draft \u0026amp; Efficiency:\u003c\/strong\u003e Helps restore aging chimneys, improve flue gas flow, and enhance overall heating appliance performance.\u003c\/li\u003e\n\u003cli data-section-id=\"73j9ag\" data-start=\"1216\" data-end=\"1386\"\u003e\n\u003cstrong data-start=\"1218\" data-end=\"1261\" data-is-only-node=\"\"\u003eProfessional Chimney Relining Solution:\u003c\/strong\u003e Flexible design and included tee connection make installation and maintenance easier for chimney restoration projects.\u003c\/li\u003e\n\u003cli data-section-id=\"h0ruf3\" data-start=\"1387\" data-end=\"1561\"\u003e\n\u003cstrong data-start=\"1389\" data-end=\"1424\" data-is-only-node=\"\"\u003eUL Listed Chimney Liner System:\u003c\/strong\u003e Part of the trusted DuraVent DuraFlex 304 product line, UL 1777 and ULC S635 listed for safe and code-compliant 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;\"\u003e3DF304-25KT\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;\"\u003e4DF304-25KT\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;\"\u003e5DF304-25KT\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;\"\u003e55DF304-25KT\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;\"\u003e6DF304-25KT\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;\"\u003e7DF304-25KT\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;\"\u003e8DF304-25KT\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;\"\u003eMaterials\u003c\/td\u003e\n\u003ctd style=\"width: 372px;\" colspan=\"2\"\u003e304 Stainless Steel\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\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDownloads\u003c\/strong\u003e\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\"DF304-25KT","offer_id":53631909396771,"sku":"3DF304-25KT","price":917.0,"currency_code":"USD","in_stock":true},{"title":"15 \/ 4\"DF304-25KT","offer_id":55328533152035,"sku":"4DF304-25KT","price":1071.0,"currency_code":"USD","in_stock":true},{"title":"15 \/ 5\"DF304-25KT","offer_id":55328533184803,"sku":"5DF304-25KT","price":1274.0,"currency_code":"USD","in_stock":true},{"title":"15 \/ 5.5\"DF304-25KT","offer_id":55328533217571,"sku":"5.5DF304-25KT","price":1367.0,"currency_code":"USD","in_stock":true},{"title":"15 \/ 6\"DF304-25KT","offer_id":55328533250339,"sku":"6DF304-25KT","price":1463.0,"currency_code":"USD","in_stock":true},{"title":"15 \/ 7\"DF304-25KT","offer_id":55328533283107,"sku":"7DF304-25KT","price":1680.0,"currency_code":"USD","in_stock":true},{"title":"15 \/ 8\"DF304-25KT","offer_id":55328533315875,"sku":"8DF304-25KT","price":1951.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/6926\/8771\/files\/DuraVent-25_-Flex-Pipe-Length-DuraFlex-304-Stainless-Steel-Tee-Kit-DuraVent-Dreamwood-Living-26066387.jpg?v=1780434906","url":"https:\/\/www.dreamwoodliving.com\/products\/duravent-25-flex-pipe-length-duraflex-304-stainless-steel-tee-kit","provider":"Dreamwood Living","version":"1.0","type":"link"}