{"product_id":"duravent-04t-b-vent-tee-double-wall-4-inches","title":"Duravent 04T B-vent Tee Double Wall 4 Inches","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe DURAVENT 04T is a double-wall B-vent tee fitting used in Category I natural draft gas appliance venting systems. It provides a branch connection point within the vent run and includes a cleanout access port for serviceability. Built to a 4-inch diameter with double-wall construction, the fitting handles flue gas safely by maintaining the temperature differential between the inner flue liner and the outer wall. Licensed HVAC technicians and plumbers install this fitting when a vent system requires a directional branch or periodic cleanout access along the run.\u003c\/p\u003e\u003cp\u003eThis tee is suited for residential and light commercial Category I gas appliance venting installations, including natural draft furnaces, water heaters, and boilers vented through B-vent systems. It connects within a vertical or angled vent assembly wherever a branch outlet or cleanout point is required by the installation layout or applicable venting code.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eDouble-wall construction maintains flue gas temperature and reduces condensation risk\u003c\/li\u003e\n\u003cli\u003e4-inch diameter fits standard B-vent system runs\u003c\/li\u003e\n\u003cli\u003eTee configuration provides branch connection and cleanout access in a single fitting\u003c\/li\u003e\n\u003cli\u003eDesigned for Category I gas appliance venting applications\u003c\/li\u003e\n\u003cli\u003eCompatible with DVP series double-wall B-vent components\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement and field-install fitting for 4-inch double-wall B-vent systems used in Category I gas appliance venting applications.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a licensed HVAC technician or plumber in accordance with the appliance manufacturer instructions, NFPA 54, and local mechanical codes. Shut off and lock out the gas supply and allow the appliance to cool completely before working on any vent section. Ensure all joints are properly seated and secured per the DVP system connection requirements, and verify the completed assembly meets required clearances to combustibles before returning the appliance to service.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter\u003c\/strong\u003e: 4 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall Construction\u003c\/strong\u003e: Double Wall\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVent Type\u003c\/strong\u003e: B-Vent\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Category I Gas Appliance Venting\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: 04T\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DURAVENT","offers":[{"title":"Default Title","offer_id":51345209360690,"sku":"04T","price":89.91,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/310553271.jpg?v=1782051552","url":"https:\/\/voomisupply.com\/products\/duravent-04t-b-vent-tee-double-wall-4-inches","provider":"Voomi Supply","version":"1.0","type":"link"}