{"product_id":"duravent-25-flex-pipe-length-duraflex-316-stainless-steel-basic-kit","title":"DuraVent 25' Flex Pipe Length DuraFlex 316 Stainless Steel Basic Kit","description":"\u003ch3 style=\"text-align: center;\"\u003eDuraVent 25' Flex Pipe Length DuraFlex 316 Stainless Steel Basic Kit\u003c\/h3\u003e\n\u003cdiv data-is-intersecting=\"true\" data-turn-id-container=\"request-6a43b619-0ba0-83e9-8ec8-3118c3ecac8e-15\" class=\"\"\u003e\n\u003csection data-turn=\"assistant\" data-testid=\"conversation-turn-1858\" data-turn-id-container=\"request-6a43b619-0ba0-83e9-8ec8-3118c3ecac8e-15\" data-turn-id=\"request-6a43b619-0ba0-83e9-8ec8-3118c3ecac8e-15\" dir=\"auto\" 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)))]\"\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 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\" data-conversation-screenshot-content=\"\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv 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-message-model-slug=\"gpt-5-5-mini\" dir=\"auto\" data-message-id=\"5a7d4011-92c0-4eee-b978-2060143d611c\" data-message-author-role=\"assistant\"\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-end=\"685\" data-start=\"0\"\u003eThe \u003cstrong data-end=\"59\" data-start=\"4\"\u003eDuraVent 25' DuraFlex 316 Stainless Steel Basic Kit\u003c\/strong\u003e is a premium flexible chimney liner kit designed for safe and efficient masonry chimney relining. Constructed from highly corrosion-resistant 316 stainless steel, this 25-foot chimney liner system is ideal for solid-fuel appliances, wood stoves, fireplace inserts, non-condensing gas appliances, and oil-fired heating systems. Its flexible design allows for easier installation through chimneys with minimal offsets while maintaining excellent flue gas flow and reliable draft performance. The DuraFlex 316 Basic Kit is UL 1777 and ULC S635 listed, ensuring durable and code-compliant chimney venting.\u003c\/p\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"1306\" data-start=\"687\"\u003eEngineered for long-lasting performance, the DuraVent DuraFlex 316 stainless steel chimney liner provides enhanced resistance against heat, moisture, and corrosive combustion byproducts, making it an excellent choice for demanding applications such as coal-burning appliances. This 25-foot flexible chimney liner kit helps improve appliance efficiency, protect masonry chimneys, and support safe venting for fireplaces, furnaces, boilers, and wood-burning systems. Backed by DuraVent’s trusted chimney technology, it delivers a dependable solution for professional chimney restoration and relining projects.\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=\"kxu0wv\" data-start=\"0\" data-end=\"197\"\u003e\n\u003cstrong data-start=\"2\" data-end=\"58\" data-is-only-node=\"\"\u003eDuraVent 25' DuraFlex 316 Stainless Steel Basic Kit:\u003c\/strong\u003e Complete 25-foot flexible chimney liner kit designed for professional masonry chimney relining and reliable venting performance.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"c0numt\" data-start=\"198\" data-end=\"413\"\u003e\n\u003cstrong data-start=\"200\" data-end=\"246\" data-is-only-node=\"\"\u003ePremium 316 Stainless Steel Chimney Liner:\u003c\/strong\u003e Manufactured with durable 316 stainless steel alloy for enhanced corrosion resistance, strength, and long-lasting performance in demanding chimney environments.\u003c\/li\u003e\n\u003cli data-section-id=\"1j4nbzg\" data-start=\"414\" data-end=\"602\"\u003e\n\u003cstrong data-start=\"416\" data-end=\"456\" data-is-only-node=\"\"\u003eFlexible Chimney Liner Installation:\u003c\/strong\u003e Designed to simplify installation through chimneys with minimal offsets while maintaining efficient flue gas flow and proper chimney draft.\u003c\/li\u003e\n\u003cli data-section-id=\"1o86we1\" data-start=\"603\" data-end=\"784\"\u003e\n\u003cstrong data-start=\"605\" data-end=\"647\" data-is-only-node=\"\"\u003eCompatible with Solid Fuel Appliances:\u003c\/strong\u003e Ideal for wood stoves, fireplace inserts, and solid-fuel heating systems, providing a safe and efficient chimney venting solution.\u003c\/li\u003e\n\u003cli data-section-id=\"1509h6l\" data-start=\"785\" data-end=\"966\"\u003e\n\u003cstrong data-start=\"787\" data-end=\"836\" data-is-only-node=\"\"\u003eSupports Non-Condensing Gas \u0026amp; Oil Appliances:\u003c\/strong\u003e Suitable for non-condensing gas appliances and oil-fired heating systems requiring dependable chimney relining performance.\u003c\/li\u003e\n\u003cli data-section-id=\"1r11j55\" data-start=\"967\" data-end=\"1172\"\u003e\n\u003cstrong data-start=\"969\" data-end=\"1015\" data-is-only-node=\"\"\u003eEnhanced Protection for Coal Applications:\u003c\/strong\u003e The 316 stainless steel construction offers additional corrosion resistance when burning coal or sulfur-rich fuels, helping extend liner lifespan.\u003c\/li\u003e\n\u003cli data-section-id=\"1lbnh2e\" data-start=\"1173\" data-end=\"1338\"\u003e\n\u003cstrong data-start=\"1175\" data-end=\"1207\" data-is-only-node=\"\"\u003eAvailable in Multiple Sizes:\u003c\/strong\u003e Designed for use with 3\" to 8\" diameter chimney liners to meet a variety of residential and commercial venting requirements.\u003c\/li\u003e\n\u003cli data-section-id=\"jtayif\" data-start=\"1339\" data-end=\"1497\"\u003e\n\u003cstrong data-start=\"1341\" data-end=\"1378\" data-is-only-node=\"\"\u003eUL 1777 \u0026amp; ULC S635 Listed System:\u003c\/strong\u003e Provides a trusted, code-compliant stainless steel chimney liner solution for safe chimney restoration projects.\u003c\/li\u003e\n\u003cli data-section-id=\"1wr7o8q\" data-start=\"1498\" data-end=\"1659\"\u003e\n\u003cstrong data-start=\"1500\" data-end=\"1541\" data-is-only-node=\"\"\u003eImproves Chimney Efficiency \u0026amp; Safety:\u003c\/strong\u003e Helps protect masonry chimneys from heat, moisture, and corrosive flue gases while improving appliance performance.\u003c\/li\u003e\n\u003cli data-section-id=\"18s9oxe\" data-start=\"1660\" data-end=\"1841\"\u003e\n\u003cstrong data-start=\"1662\" data-end=\"1705\" data-is-only-node=\"\"\u003eProfessional Chimney Relining Solution:\u003c\/strong\u003e Perfect for fireplace insert installations, chimney liner replacement, wood stove vent upgrades, and heating system 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;\"\u003e3DF316-25K\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;\"\u003e4DF316-25K\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;\"\u003e5DF316-25K\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;\"\u003e55DF316-25K\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;\"\u003e6DF316-25K\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;\"\u003e7DF316-25K\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;\"\u003e8DF316-25K\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 colspan=\"2\" style=\"width: 372px;\"\u003e316 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":"25 \/ 3\"DF316 25 Kit","offer_id":53631909134627,"sku":"3DF316-25K","price":895.0,"currency_code":"USD","in_stock":true},{"title":"25 \/ 4\"DF316 25 Kit","offer_id":55329959674147,"sku":"4DF316-25K","price":1024.0,"currency_code":"USD","in_stock":true},{"title":"25 \/ 5\"DF316 25 Kit","offer_id":55329959706915,"sku":"5DF316-25K","price":1263.0,"currency_code":"USD","in_stock":true},{"title":"25 \/ 5.5\"DF316 25 Kit","offer_id":55329959739683,"sku":"5.5DF316-25K","price":1359.0,"currency_code":"USD","in_stock":true},{"title":"25 \/ 6\"DF316 25 Kit","offer_id":55329959772451,"sku":"6DF316-25K","price":1485.0,"currency_code":"USD","in_stock":true},{"title":"25 \/ 7\"DF316 25 Kit","offer_id":55329959805219,"sku":"7DF316-25K","price":1715.0,"currency_code":"USD","in_stock":true},{"title":"25 \/ 8\"DF316 25 Kit","offer_id":55329959837987,"sku":"8DF316-25K","price":1770.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/6926\/8771\/files\/DuraVent-25_-Flex-Pipe-Length-DuraFlex-316-Stainless-Steel-Basic-Kit-DuraVent-Dreamwood-Living-26054019.jpg?v=1780434835","url":"https:\/\/www.dreamwoodliving.com\/products\/duravent-25-flex-pipe-length-duraflex-316-stainless-steel-basic-kit","provider":"Dreamwood Living","version":"1.0","type":"link"}