{"product_id":"duravent-7-8-inch-gas-vent-increaser","title":"DuraVent - 7\" Inner Diameter Type B Gas Vent  7\" to 8\" Increaser","description":"\u003cp\u003eElevate your HVAC and hearth systems to unmatched levels of safety and efficiency with the DuraVent 7\" to 8\" Gas Vent Increaser. As the pioneering authority in the venting industry, DuraVent has consistently delivered innovation, safety, and professionalism to the HVAC and Hearth markets. Our commitment to excellence is epitomized by the groundbreaking DuraLock system, which ensures a secure and airtight connection.\u003c\/p\u003e\n\u003cp\u003eImagine a product that seamlessly meets alignment indicators, allowing you to feel the ends grasp together with unwavering assurance, culminating in the satisfying snap that signifies a perfectly locked connection. This is the DuraVent promise – precision and reliability in every installation.\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 Expand your vent diameter with ease, improving airflow and system efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Sizing:\u003c\/strong\u003e Need a different size? Special orders are available to meet your unique requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRugged Durability:\u003c\/strong\u003e Crafted with aluminum and galvanized walls, our Gas Vent Increaser can withstand the harshest job site conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Applications:\u003c\/strong\u003e Ideal for natural gas fireplaces, gas-fired furnaces, boilers, water heaters, and more.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondensation Control:\u003c\/strong\u003e Minimize condensation within your appliance and vent system, ensuring peak performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Engineering:\u003c\/strong\u003e From twist-lock fittings for 3\"-16\" diameters to screws for 14\" and larger, every detail counts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Assured:\u003c\/strong\u003e UL and ULC listed for peace of mind, backed by a limited-lifetime warranty.\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\u003ch3\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDuraVent’s Type B Gas Vent system. Use with natural gas or liquid propane Category I and draft hood equipped appliances, and appliances tested and listed to use Type B Gas Vent.\u003c\/li\u003e\n\u003cli\u003eApplications include natural gas fireplaces, gas-fired furnaces, boilers, water heaters, and wall or space heating applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eMaterials and Construction:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRound Type B Gas Vent 3” - 8” and oval 4” - 6”: Aluminum .012” inner wall, galvanized .018” outer wall.\u003c\/li\u003e\n\u003cli\u003eRound Type B Gas Vent 10” - 16”: Aluminum .016” inner wall, galvanized .021” outer wall.\u003c\/li\u003e\n\u003cli\u003eRound Type B Gas Vent 18” - 30”: aluminum .020” inner wall, galvanized .021” outer wall.\u003c\/li\u003e\n\u003cli\u003e3”-16” diameters feature twist-lock fittings, and screws are required for 14” and larger diameters.\u003c\/li\u003e\n\u003c\/ul\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;\"\u003e7GVX8\u003c\/td\u003e\n\u003ctd style=\"width: 124px; height: 19px;\" data-mce-style=\"width: 124px; height: 19px;\"\u003e7\" 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\u003eDownloads:\u003c\/strong\u003e\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\u003cstrong\u003eDownload Product Catalog\u003c\/strong\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\u003cstrong\u003eDownload Installation Manual\u003c\/strong\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\u003cstrong\u003eDownload Typical Installations\u003c\/strong\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\u003cstrong\u003eDownload TypeB Gas Vent Specs Sheet\u003c\/strong\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 class=\"safety-warning\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0591\/9912\/7740\/files\/Duravent_Logo_TM_RGB-1024x179_240x240.png?v=1693424318\"\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":"Default Title","offer_id":53065270591787,"sku":"7GVX8","price":126.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/8491\/6523\/files\/duravent-7-inner-diameter-type-b-gas-vent-7-to-8-increaser-7gvx8-33768553971882.jpg?v=1775147047","url":"https:\/\/nationfireplace.com\/products\/duravent-7-8-inch-gas-vent-increaser","provider":"nationfireplace.com","version":"1.0","type":"link"}