{"product_id":"duravent-20-flex-pipe-length-duraflex-316-stainless-steel-tee-kit","title":"DuraVent 20' Flex Pipe Length DuraFlex 316 Stainless Steel Tee Kit","description":"\u003ch3 style=\"text-align: center;\"\u003eDuraVent 20' Flex Pipe Length DuraFlex 316 Stainless Steel Tee Kit\u003c\/h3\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\" data-end=\"720\" data-start=\"0\"\u003eThe \u003cstrong data-end=\"57\" data-start=\"4\"\u003eDuraVent 20' DuraFlex 316 Stainless Steel Tee Kit\u003c\/strong\u003e is a high-performance flexible chimney liner system designed for dependable masonry chimney relining and efficient venting. Manufactured from premium 316 stainless steel, this 20-foot chimney liner tee kit delivers superior corrosion resistance for wood-burning fireplaces, wood stoves, non-condensing gas appliances, oil-fired systems, and coal-burning applications. The flexible liner design allows easier installation through chimneys with minimal offsets, while the integrated tee provides a secure connection and convenient cleanout access. The DuraFlex 316 system is UL 1777 and ULC S635 listed for safe, code-compliant performance.\u003cspan class=\"PDq2pG_selectionAnchor\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"1263\" data-start=\"722\"\u003eEngineered for long-term durability, the DuraFlex 316 stainless steel chimney liner kit helps improve chimney draft, enhance flue gas flow, and protect masonry chimneys from heat and corrosive combustion byproducts. This 20-foot flexible chimney liner tee kit is ideal for fireplace inserts, furnaces, boilers, and solid-fuel heating systems, providing a reliable chimney restoration solution. Backed by DuraVent’s trusted engineering, it offers professional-grade performance for residential and commercial venting applications.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli data-end=\"204\" data-start=\"0\" data-section-id=\"1pmzch0\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"56\" data-start=\"2\"\u003eDuraVent 20' DuraFlex 316 Stainless Steel Tee Kit:\u003c\/strong\u003e Complete 20-foot flexible chimney liner tee kit designed for reliable masonry chimney relining and high-performance venting applications.\u003cspan class=\"PDq2pG_selectionAnchor\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"407\" data-start=\"205\" data-section-id=\"dsu63s\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"252\" data-start=\"207\"\u003ePremium 316 Stainless Steel Construction:\u003c\/strong\u003e Built with durable 316 stainless steel alloy for superior corrosion resistance, strength, and long-lasting protection against harsh flue conditions.\u003c\/li\u003e\n\u003cli data-end=\"604\" data-start=\"408\" data-section-id=\"1cqbvjh\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"447\" data-start=\"410\"\u003eIntegrated Tee \u0026amp; Cleanout Design:\u003c\/strong\u003e Features a secure stainless steel tee connection that simplifies installation and provides convenient access for chimney cleaning and maintenance.\u003c\/li\u003e\n\u003cli data-end=\"786\" data-start=\"605\" data-section-id=\"1rb9ums\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"648\" data-start=\"607\"\u003eAvailable in Multiple Diameter Sizes:\u003c\/strong\u003e Offered in 3\" to 8\" diameters to fit various wood stoves, fireplace inserts, fireplaces, furnaces, boilers, and oil appliances.\u003c\/li\u003e\n\u003cli data-end=\"942\" data-start=\"787\" data-section-id=\"1daz3ac\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"822\" data-start=\"789\"\u003eMultiple Flex Length Options:\u003c\/strong\u003e Available in 15’, 20’, 25’, 30’, and 35’ lengths to accommodate different chimney heights and installation needs.\u003c\/li\u003e\n\u003cli data-end=\"1128\" data-start=\"943\" data-section-id=\"zrsm3\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"979\" data-start=\"945\"\u003eFlexible Chimney Liner System:\u003c\/strong\u003e Easily adapts to chimney pathways with minimal offsets, making installation faster while maintaining efficient flue gas flow and proper draft.\u003c\/li\u003e\n\u003cli data-end=\"1301\" data-start=\"1129\" data-section-id=\"7kcg59\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"1184\" data-start=\"1131\"\u003eCompatible with Solid Fuel, Gas \u0026amp; Oil Appliances:\u003c\/strong\u003e Designed for solid-fuel, non-condensing gas, and oil-fired appliances, providing a versatile venting solution.\u003c\/li\u003e\n\u003cli data-end=\"1509\" data-start=\"1302\" data-section-id=\"23a0ot\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"1338\" data-start=\"1304\"\u003eEnhanced Corrosion Resistance:\u003c\/strong\u003e The 316 stainless steel chimney liner provides added protection for demanding applications, including coal-burning appliances and sulfur-rich fuel environments.\u003c\/li\u003e\n\u003cli data-end=\"1654\" data-start=\"1510\" data-section-id=\"8sj9pk\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"1545\" data-start=\"1512\"\u003eImproves Chimney Performance:\u003c\/strong\u003e Helps restore chimney efficiency, protect masonry flues, and support safe operation of heating appliances.\u003c\/li\u003e\n\u003cli data-end=\"1833\" data-start=\"1655\" data-section-id=\"1uvyy8q\"\u003e\n\u003cstrong data-is-only-node=\"\" data-end=\"1691\" data-start=\"1657\"\u003eUL Listed DuraFlex 316 Series:\u003c\/strong\u003e Engineered for safe, code-compliant chimney liner replacement and fireplace insert venting installations with trusted DuraVent quality.\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;\"\u003e3DF316-20KT\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;\"\u003e4DF316-20KT\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;\"\u003e5DF316-20KT\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;\"\u003e55DF316-20KT\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;\"\u003e6DF316-20KT\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;\"\u003e7DF316-20KT\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;\"\u003e8DF316-20KT\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 style=\"width: 372px;\" colspan=\"2\"\u003e316 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\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":"20 \/ 3\"DF316-20KT","offer_id":53631909069091,"sku":"3DF316-20KT","price":884.0,"currency_code":"USD","in_stock":true},{"title":"20 \/ 4\"DF316-20KT","offer_id":55329914880291,"sku":"4DF316-20KT","price":994.0,"currency_code":"USD","in_stock":true},{"title":"20 \/ 5\"DF316-20KT","offer_id":55329914913059,"sku":"5DF316-20KT","price":1221.0,"currency_code":"USD","in_stock":true},{"title":"20 \/ 5.5\"DF316-20KT","offer_id":55329914945827,"sku":"5.5DF316-20KT","price":1331.0,"currency_code":"USD","in_stock":true},{"title":"20 \/ 6\"DF316-20KT","offer_id":55329914978595,"sku":"6DF316-20KT","price":1427.0,"currency_code":"USD","in_stock":true},{"title":"20 \/ 7\"DF316-20KT","offer_id":55329915011363,"sku":"7DF316-20KT","price":1600.0,"currency_code":"USD","in_stock":true},{"title":"20 \/ 8\"DF316-20KT","offer_id":55329915044131,"sku":"8DF316-20KT","price":1729.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/6926\/8771\/files\/DuraVent-20_-Flex-Pipe-Length-DuraFlex-316-Stainless-Steel-Tee-Kit-DuraVent-Dreamwood-Living-26054175.jpg?v=1780434833","url":"https:\/\/www.dreamwoodliving.com\/products\/duravent-20-flex-pipe-length-duraflex-316-stainless-steel-tee-kit","provider":"Dreamwood Living","version":"1.0","type":"link"}