{"product_id":"duravent-25-polypro-flex-length","title":"DuraVent 25' PolyPro Flex Length","description":"\u003ch3 style=\"text-align: center;\"\u003eDuraVent 25' PolyPro Flex Length\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eDuraVent 25' PolyPro Flex Length\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a premium \u003c\/span\u003eflexible vent pipe solution designed for high-efficiency condensing gas appliance venting systems. Engineered for use in PolyPro chimney relining and retrofit applications, this flexible vent length provides installation versatility for condensing boilers, furnaces, tankless water heaters, and HVAC exhaust systems while allowing smooth routing through challenging vent pathways.\u003c\/p\u003e\n\u003cp\u003eAs part of the trusted DuraVent PolyPro polypropylene venting system, this 25-foot flex length delivers durability, easy handling, and reliable performance compared to traditional PVC venting options. PolyPro is engineered specifically for condensing appliances with a higher operating temperature limit of 230°F (110°C) compared to PVC and CPVC. Featuring an advanced condensation management system\u003cspan\u003e, DuraVent PolyPro provides corrosion-resistant, efficient, and code-compliant venting solutions for residential and commercial installations.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"llnnhu\" data-start=\"0\" data-end=\"229\"\u003e\n\u003cstrong data-start=\"2\" data-end=\"47\" data-is-only-node=\"\"\u003ePolyPro Flex Length for Chimney Relining:\u003c\/strong\u003e The DuraVent 25' PolyPro Flex Length is designed to line masonry chimneys for condensing appliance venting, providing a reliable pathway for high-efficiency heating systems.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1wv0h6x\" data-start=\"230\" data-end=\"416\"\u003e\n\u003cstrong data-start=\"232\" data-end=\"270\" data-is-only-node=\"\"\u003eAvailable Multiple Length Options:\u003c\/strong\u003e Offered in 25-foot, 35-foot, and 50-foot lengths to accommodate various chimney retrofit and PolyPro flex vent installation requirements.\u003c\/li\u003e\n\u003cli data-section-id=\"1vrd8r0\" data-start=\"417\" data-end=\"588\"\u003e\n\u003cstrong data-start=\"419\" data-end=\"461\" data-is-only-node=\"\"\u003eDouble-Wall PolyPro Flex Construction:\u003c\/strong\u003e Features durable double-wall construction for enhanced strength, reliable performance, and improved vent system integrity.\u003c\/li\u003e\n\u003cli data-section-id=\"1rsa3so\" data-start=\"589\" data-end=\"780\"\u003e\n\u003cstrong data-start=\"591\" data-end=\"629\" data-is-only-node=\"\"\u003eField-Cuttable Flexible Vent Pipe:\u003c\/strong\u003e Can be cut to the precise required length in the field, allowing flexible installation and reducing material waste during chimney lining projects.\u003c\/li\u003e\n\u003cli data-section-id=\"y0ugs8\" data-start=\"781\" data-end=\"976\"\u003e\n\u003cstrong data-start=\"783\" data-end=\"834\" data-is-only-node=\"\"\u003eDesigned for Condensing Appliance Applications:\u003c\/strong\u003e Ideal for use with condensing boilers, furnaces, tankless water heaters, and HVAC vent systems requiring efficient polypropylene venting.\u003c\/li\u003e\n\u003cli data-section-id=\"1l7i69x\" data-start=\"977\" data-end=\"1157\"\u003e\n\u003cstrong data-start=\"979\" data-end=\"1024\" data-is-only-node=\"\"\u003eCompatible with DuraVent PolyPro Systems:\u003c\/strong\u003e Engineered for PolyPro polypropylene vent components to provide safe, corrosion-resistant, and code-compliant venting solutions.\u003c\/li\u003e\n\u003cli data-section-id=\"zs1vw5\" data-start=\"1158\" data-end=\"1314\" data-is-last-node=\"\"\u003e\n\u003cstrong data-start=\"1160\" data-end=\"1196\" data-is-only-node=\"\"\u003eSpecial 5\" Diameter Flex Option:\u003c\/strong\u003e The 5-inch diameter PolyPro flex vent is supplied in 98-foot rolls only for larger installation requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width: 515.094px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 137px;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"width: 355.094px;\"\u003eSize\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 137px;\"\u003e2PPS-FLEX25\u003c\/td\u003e\n\u003ctd style=\"width: 355.094px;\"\u003e2\" I.D x 25' Length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 137px;\"\u003e3PPS-FLEX25\u003c\/td\u003e\n\u003ctd style=\"width: 355.094px;\"\u003e3\" I.D x 25' Length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 137px;\"\u003e4PPS-FLEX25\u003c\/td\u003e\n\u003ctd style=\"width: 355.094px;\"\u003e4\" I.D x 25' Length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 137px;\"\u003eClearance\u003c\/td\u003e\n\u003ctd style=\"width: 355.094px;\"\u003e\u003cspan\u003e0” clearance to combustibles \/ vertical installations\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 137px;\"\u003eListings\u003c\/td\u003e\n\u003ctd style=\"width: 355.094px;\"\u003e\u003cspan\u003eULC S636 is Listed as a Class IIA, IIB, and IIC vent system.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 137px;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"width: 355.094px;\"\u003e\u003cspan\u003e10-years Limited warranty\u003c\/span\u003e\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\/DuraVent_PolyPro_Catalog.pdf?v=1660617118\" target=\"_blank\"\u003e\u003cstrong\u003eProduct Catalog\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0100\/7917\/4734\/files\/DuraVent_PolyPro_Warranty.pdf?v=1660617225\" target=\"_blank\"\u003e\u003cstrong\u003eProduct Warranty\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0100\/7917\/4734\/files\/DuraVent_PolyPro_Typical_Installation.pdf?v=1660617689\" target=\"_blank\"\u003e\u003cstrong\u003eTypical Installations\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DuraVent","offers":[{"title":"2\"","offer_id":53631897862435,"sku":"2PPS-FLEX25","price":320.0,"currency_code":"USD","in_stock":true},{"title":"3\"","offer_id":55339084939555,"sku":"3PPS-FLEX25","price":400.0,"currency_code":"USD","in_stock":true},{"title":"4\"","offer_id":55339084972323,"sku":"4PPS-FLEX25","price":615.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/6926\/8771\/files\/DuraVent-25_-PolyPro-Flex-Length-DuraVent-Dreamwood-Living-26034332.jpg?v=1780434757","url":"https:\/\/www.dreamwoodliving.com\/products\/duravent-25-polypro-flex-length","provider":"Dreamwood Living","version":"1.0","type":"link"}