{"product_id":"duravent-4-inch-gas-vent-increaser","title":"DuraVent - 4\" Inner Diameter Type B Gas Vent Increaser","description":"\u003cp\u003eIntroducing the DuraVent 4\" Inner Diameter Type B Gas Vent Increaser – a game-changer in the world of HVAC systems. DuraVent, renowned as the industry leader, brings you a venting solution that's not just innovative but ensures a safe and professional environment for your HVAC and Hearth applications.\u003c\/p\u003e\n\u003cp\u003eOur DuraLock system is your guarantee for a secure, lock-tight connection. Witness alignment indicators seamlessly meet, feel the ends grasp firmly, and hear the satisfying snap as your venting system locks into place. Designed for the rigors of job sites, the inner wall is recessed, virtually eliminating any potential damage during handling.\u003c\/p\u003e\n\u003cp\u003eBut that's not all; our Type B Gas Vent heats up rapidly, staying hot throughout appliance operation with minimal condensation. Whether you need pipe lengths ranging from 6 to 60 inches or an array of adjustable and rigid fittings, DuraVent has you covered. However, please note that Type B gas vents are not suitable for wood-burning or coal applications, industrial ovens, exhaust ranges, hoods, grease or pollution ducting, or high-temperature free-standing exhaust vents.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eBenefits:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Ventilation:\u003c\/strong\u003e Increase your vent diameter with ease, optimizing your HVAC system's performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomizable Options:\u003c\/strong\u003e Need a specific size? We offer additional sizes through special orders, ensuring a tailored fit for your project.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Build:\u003c\/strong\u003e Crafted from high-quality aluminum, our vent increaser boasts longevity and reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Applications:\u003c\/strong\u003e Perfect for natural gas fireplaces, gas-fired furnaces, boilers, water heaters, and space heating applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Materials:\u003c\/strong\u003e With various inner and outer wall thicknesses based on diameter, our vent increaser is built to last.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Installation:\u003c\/strong\u003e Featuring twist-lock fittings for diameters 3\"-16\", and screws required for 14\" and larger diameters, our product simplifies setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePeace of Mind:\u003c\/strong\u003e Backed by a limited-lifetime warranty, DuraVent ensures your investment is protected.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUse to increase vent diameter.\u003c\/li\u003e\n\u003cli\u003eAdditional sizes are available through special orders.\u003c\/li\u003e\n\u003cli\u003eColor: Aluminum.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable style=\"width: 537.469px;\" data-mce-style=\"width: 537.469px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\" data-mce-style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 130px; height: 19px;\" data-mce-style=\"width: 130px; height: 19px;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"width: 124px; height: 19px;\" data-mce-style=\"width: 124px; height: 19px;\"\u003eSize\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\" data-mce-style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 130px; height: 19px;\" data-mce-style=\"width: 130px; height: 19px;\"\u003e4GVX5\u003c\/td\u003e\n\u003ctd style=\"width: 124px; height: 19px;\" data-mce-style=\"width: 124px; height: 19px;\"\u003e4\" x 5\" Inner Diameter x 6.75\" Height\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\" data-mce-style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 130px; height: 19px;\" data-mce-style=\"width: 130px; height: 19px;\"\u003e4GVX6\u003c\/td\u003e\n\u003ctd style=\"width: 124px; height: 19px;\" data-mce-style=\"width: 124px; height: 19px;\"\u003e4\" x 6\" Inner Diameter x 6.75\" Height\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\" data-mce-style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 130px; height: 19px;\" data-mce-style=\"width: 130px; height: 19px;\"\u003e4GVX7\u003c\/td\u003e\n\u003ctd style=\"width: 124px; height: 19px;\" data-mce-style=\"width: 124px; height: 19px;\"\u003e4\" x 7\" Inner Diameter x 6.75\" Height\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\" data-mce-style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 130px; height: 19px;\" data-mce-style=\"width: 130px; height: 19px;\"\u003e4GVX8\u003c\/td\u003e\n\u003ctd style=\"width: 124px; height: 19px;\" data-mce-style=\"width: 124px; height: 19px;\"\u003e4\" x 8\" Inner Diameter x 6.75\" Height\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\" data-mce-style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 130px; height: 19px;\" data-mce-style=\"width: 130px; height: 19px;\"\u003eClearances\u003c\/td\u003e\n\u003ctd style=\"width: 382.469px; height: 19px;\" data-mce-style=\"width: 382.469px; height: 19px;\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1\" to combustibles in single and multi-family dwellings\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 38px;\" data-mce-style=\"height: 38px;\"\u003e\n\u003ctd style=\"width: 130px; height: 38px;\" data-mce-style=\"width: 130px; height: 38px;\"\u003eListings\u003c\/td\u003e\n\u003ctd style=\"width: 382.469px; height: 38px;\" data-mce-style=\"width: 382.469px; height: 38px;\"\u003e\u003cspan\u003eUL Listed to UL 441 and UL 1777(MH6357), ULC listed to ULC S605 (CMH1276 \u0026amp; CMH1407).\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\" data-mce-style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 130px; height: 19px;\" data-mce-style=\"width: 130px; height: 19px;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"width: 382.469px; height: 19px;\" data-mce-style=\"width: 382.469px; height: 19px;\"\u003eLimited-lifetime warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e \u003cstrong\u003e\u003c\/strong\u003e\u003cstrong\u003eDownloads:\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #ff8000;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0591\/9912\/7740\/files\/Type_B_Gas_Vent_Catalog.pdf?v=1694168311\" style=\"color: #ff8000;\"\u003e\u003cspan style=\"text-decoration: underline;\" data-mce-style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDownload Product Catalog\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #ff8000;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0591\/9912\/7740\/files\/TypeB_GasVent_Instruction_Manual.pdf?v=1694168310\" style=\"color: #ff8000;\"\u003e\u003cspan style=\"text-decoration: underline;\" data-mce-style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDownload Installation Manual\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #ff8000;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0591\/9912\/7740\/files\/TypeB_GasVent_Typical_Ins.pdf?v=1694168309\" style=\"color: #ff8000;\"\u003e\u003cspan style=\"text-decoration: underline;\" data-mce-style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDownload Typical Installations\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #ff8000;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0591\/9912\/7740\/files\/TypeB_GasVent_Specs_sheet.pdf?v=1694168308\" style=\"color: #ff8000;\"\u003e\u003cspan style=\"text-decoration: underline;\" data-mce-style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDownload TypeB Gas Vent Specs Sheet\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eAbout the Manufacturer:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0591\/9912\/7740\/files\/Duravent_Logo_TM_RGB-1024x179_240x240.png?v=1693424318\" alt=\"\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eConsistently the first to market with new innovations in venting systems, DuraVent has captured a leadership position in emerging markets. DuraVent has patents for several products and continues to design safe and technologically advanced venting.The company’s research into solving problems with corrosion, when biofuels such as corn are used, led to the break-through patent for PelletVent Pro.\u003c\/p\u003e","brand":"DuraVent","offers":[{"title":"4\" x 5\"","offer_id":53065293660459,"sku":"4GVX5","price":41.38,"currency_code":"USD","in_stock":true},{"title":"4\" x 6\"","offer_id":53065293693227,"sku":"4GVX6","price":43.72,"currency_code":"USD","in_stock":true},{"title":"4\" x 7\"","offer_id":53065293725995,"sku":"4GVX7","price":68.27,"currency_code":"USD","in_stock":true},{"title":"4\" x 8\"","offer_id":53065293758763,"sku":"4GVX8","price":69.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/8491\/6523\/files\/duravent-4-inner-diameter-type-b-gas-vent-increaser-33768091812010.jpg?v=1775147245","url":"https:\/\/nationfireplace.com\/products\/duravent-4-inch-gas-vent-increaser","provider":"nationfireplace.com","version":"1.0","type":"link"}