{"product_id":"hart-cooley-12r24-type-b-vent-round-pipe-12-in-2-ft","title":"Hart Cooley 12r24 Type B Vent Round Pipe 12 in 2 Ft","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe HART COOLEY 12r24 is a double-wall Type B vent round pipe designed for Category 1 gas appliance venting applications. Measuring 12 inches in diameter and 2 feet in length, this pipe section features an aluminum inner wall and a galvanized steel outer wall. The double-wall construction maintains flue gas temperature to support proper draft while keeping exterior surfaces cooler to the touch. Licensed HVAC technicians and plumbers install this pipe as part of a listed Type B vent system on natural gas and propane appliances including furnaces, boilers, and water heaters.\u003c\/p\u003e\u003cp\u003eThis pipe section is suited for residential and light commercial Category 1 venting installations where a listed Type B double-wall vent system is required by the appliance manufacturer or local mechanical code. The 12-inch diameter accommodates higher-capacity appliances with larger flue outlet requirements. It connects with other listed Type B vent components of the same diameter to form a continuous, code-compliant venting assembly routed through conditioned or unconditioned spaces.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eDouble-wall construction with aluminum inner liner and galvanized outer wall\u003c\/li\u003e\n\u003cli\u003e12-inch diameter for high-capacity Category 1 appliance venting\u003c\/li\u003e\n\u003cli\u003e2-foot section length for flexible layout and shorter run increments\u003c\/li\u003e\n\u003cli\u003eRound pipe profile for standard Type B vent system assembly\u003c\/li\u003e\n\u003cli\u003eWeighs 7.95 pounds per section for manageable single-technician handling\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style component for use in listed Type B double-wall vent systems serving Category 1 gas appliances. Must be used with compatible listed Type B vent fittings and components of matching 12-inch diameter.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation must be performed by a licensed HVAC technician or plumber in accordance with the appliance manufacturer instructions, NFPA 54, and applicable local mechanical codes. Shut off gas supply and allow the appliance to cool completely before disassembling or extending an existing vent system. Maintain required clearances to combustibles as specified by the vent system listing. Do not mix Type B vent components from different listed systems or manufacturers unless explicitly permitted by the system listing.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter\u003c\/strong\u003e: 12 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 2 feet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipe Shape\u003c\/strong\u003e: Round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVent Type\u003c\/strong\u003e: Type B Double Wall\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVenting Category\u003c\/strong\u003e: Category 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Material\u003c\/strong\u003e: Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Material\u003c\/strong\u003e: Galvanized Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 7.95 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: HART COOLEY\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 12r24\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HART \u0026 COOLEY","offers":[{"title":"Default Title","offer_id":51233196474674,"sku":"12R24","price":180.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/307628817.jpg?v=1780093850","url":"https:\/\/voomisupply.com\/products\/hart-cooley-12r24-type-b-vent-round-pipe-12-in-2-ft","provider":"Voomi Supply","version":"1.0","type":"link"}