{"product_id":"duravent-3gvvth-type-b-gas-vent-cap-3-inches","title":"Duravent 3GVVTH Type B Gas Vent Cap 3 Inches","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe DURAVENT 3GVVTH is a Type B gas vent cap designed for terminating gas appliance venting systems at the rooftop or exterior wall. It features double-wall construction with an aluminum inner wall and a galvanized steel outer wall, providing corrosion resistance and structural durability in outdoor conditions. Sized for 3-inch vent pipe, this cap is intended for use exclusively with DURAVENT B-Vent pipe and fittings to maintain code compliance. Licensed HVAC technicians and gas appliance installers are the typical end users for this component.\u003c\/p\u003e\u003cp\u003eThis vent cap suits residential and light commercial gas appliance venting applications where Type B double-wall B-Vent systems are required. Typical installations include natural gas furnaces, water heaters, boilers, and other Category I gas appliances that require a listed vent termination cap. The cap terminates the vent run and prevents backdraft, rain intrusion, and debris entry at the vent outlet. Per the manufacturer, it must be used only with DURAVENT B-Vent pipe and fittings to comply with applicable codes.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eType B rated for gas appliance venting applications\u003c\/li\u003e\n\u003cli\u003eDouble-wall construction for thermal performance and structural integrity\u003c\/li\u003e\n\u003cli\u003eAluminum inner wall resists corrosion from flue gases\u003c\/li\u003e\n\u003cli\u003eGalvanized outer wall provides weather and UV resistance\u003c\/li\u003e\n\u003cli\u003e3-inch diameter fits standard B-Vent pipe of the same size\u003c\/li\u003e\n\u003cli\u003eMust be used exclusively with DURAVENT B-Vent pipe and fittings for code compliance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use exclusively with DURAVENT B-Vent pipe and fittings in Type B gas vent systems for Category I gas appliances.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a licensed HVAC technician or qualified gas appliance installer in accordance with the appliance manufacturer instructions, NFPA 54, and local mechanical codes. Shut off gas supply and allow the appliance and vent system to cool completely before servicing or installing vent components. Ensure all vent sections and the cap are properly locked and secured per the DURAVENT installation guidelines. Do not mix B-Vent components from different manufacturers, as this cap must be used only with DURAVENT fittings to maintain a listed assembly.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVent Type\u003c\/strong\u003e: Type B Gas Vent\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter\u003c\/strong\u003e: 3 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall Construction\u003c\/strong\u003e: Double Wall\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Wall Material\u003c\/strong\u003e: Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Wall Material\u003c\/strong\u003e: Galvanized Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 4.9 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure\u003c\/strong\u003e: Each\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 6\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: DURAVENT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 3GVVTH\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DURAVENT","offers":[{"title":"Default Title","offer_id":51525362975026,"sku":"3GVVTH","price":143.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/1138478691f8f43bfc6d3ac3827bcbb0.jpg?v=1785471716","url":"https:\/\/voomisupply.com\/products\/duravent-3gvvth-type-b-gas-vent-cap-3-inches","provider":"Voomi Supply","version":"1.0","type":"link"}