{"product_id":"metal-fab-3mcuhp-b-vent-universal-vent-cap-3-inches","title":"Metal-fab 3mcuhp B-vent Universal Vent Cap 3 Inches","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe METAL-FAB 3mcuhp is a universal round vent cap designed for Type B gas vent pipe systems. It terminates the vent stack at the roof or exterior wall, protecting the flue opening from weather intrusion, downdrafts, and debris while allowing combustion gases to exhaust freely. The inner wall is constructed from aluminum alloy at 0.012 inches thick, and the outer wall is G90 galvanized steel at 0.018 inches thick. With an overall height of 8.375 inches, this cap meets UL 441, CUL, and NFPA 54\/211 standards. Licensed HVAC technicians and gas appliance installers handle this component as part of a complete B-vent termination assembly.\u003c\/p\u003e\u003cp\u003eThis vent cap is suited for residential and light commercial gas appliance venting applications where a 3-inch Type B double-wall vent system is in use. Typical installations include natural gas furnaces, water heaters, boilers, and other Category I appliances vented through B-vent pipe routed to the exterior. The universal round design accommodates standard termination points in single-story and multi-story structures.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eUniversal round cap design compatible with 3-inch Type B gas vent pipe systems\u003c\/li\u003e\n\u003cli\u003eAluminum alloy inner wall at 0.012 inches for corrosion resistance against flue gases\u003c\/li\u003e\n\u003cli\u003eG90 galvanized steel outer wall at 0.018 inches for exterior weather durability\u003c\/li\u003e\n\u003cli\u003eMeets UL 441, CUL, and NFPA 54\/211 applicable standards\u003c\/li\u003e\n\u003cli\u003eOverall height of 8.375 inches for proper termination clearance\u003c\/li\u003e\n\u003cli\u003eBacked by a 1-year limited warranty\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement or new-installation termination cap for 3-inch Type B double-wall gas vent pipe systems.\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 NFPA 54 and the appliance manufacturer instructions. Shut off the gas supply and allow the vent system to cool completely before removing or replacing any vent components. Follow local building codes and the International Fuel Gas Code (IFGC) for required termination height clearances above the roof surface and adjacent structures. Do not substitute this cap on vent systems with pipe diameters other than 3 inches.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e: Universal Round Gas Vent Pipe Cap\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize\u003c\/strong\u003e: 3 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Height\u003c\/strong\u003e: 8.375 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Wall Material\u003c\/strong\u003e: Aluminum Alloy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Wall Thickness\u003c\/strong\u003e: 0.012 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Wall Material\u003c\/strong\u003e: G90 Galvanized Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Wall Thickness\u003c\/strong\u003e: 0.018 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplicable Standards\u003c\/strong\u003e: UL 441, CUL, NFPA 54\/211\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty\u003c\/strong\u003e: 1 Year Limited\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: METAL-FAB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 3mcuhp\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"METAL-FAB","offers":[{"title":"Default Title","offer_id":51467353784626,"sku":"3MCUHP","price":29.59,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/313946688.jpg?v=1783901801","url":"https:\/\/voomisupply.com\/products\/metal-fab-3mcuhp-b-vent-universal-vent-cap-3-inches","provider":"Voomi Supply","version":"1.0","type":"link"}