{"product_id":"638-168","title":"638-168","description":"This 6-inch x 18-inch B-Vent length is a premium double-wall pipe designed for the safe and efficient venting of Category I gas-fired appliances. Engineered for durability, this 18-inch section is a critical component for residential and commercial HVAC systems, specifically for exhausting flue gases from natural gas or liquid propane water heaters, boilers, and furnaces. The double-wall construction features an aluminum inner liner for maximum corrosion resistance and a galvanized steel outer shell to maintain structural integrity and reduce heat clearance requirements. Its precision-engineered design ensures a secure, leak-resistant connection, making it an ideal choice for contractors and homeowners looking for reliable chimney pipe components.\u003cbr\u003e\nType: Metal Venting\u003cbr\u003e\nSize: 6\" x 18\"\u003cbr\u003e\nDimensions: 18 inches × 6 inches (diameter) × 6 inches (diameter)\u003cbr\u003e\nApplication: Used for venting gas-fired appliances such as residential furnaces, water heaters, and boilers. Suitable for Category I appliances requiring Type B gas vent systems.\u003cbr\u003e\nSpecifications: Double-wall construction, aluminum inner liner, galvanized steel outer casing, twist-lock connection system, UL listed for Type B gas vent applications.","brand":"BCFurnace","offers":[{"title":"6\" X 18\" B-VENT LENGTH \/ 638-168","offer_id":50215261405469,"sku":null,"price":50.36,"currency_code":"CAD","in_stock":true},{"title":"6\" X 18\" B-VENT LENGTH \/ 210603","offer_id":50215261438237,"sku":null,"price":50.36,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/7b321deee93b4c2595ab5cf7660a4e03.webp?v=1773957599","url":"https:\/\/bcfurnace.myshopify.com\/products\/638-168","provider":"BCFurnace","version":"1.0","type":"link"}