{"product_id":"638-122","title":"638-122","description":"Ensure safe and efficient exhaust for your gas-fired appliances with this premium 4-inch by 36-inch B-Vent pipe. This double-wall metal venting section is engineered for residential and light commercial HVAC applications, providing a durable solution for venting furnaces, water heaters, and boilers. The double-wall construction features a heat-reflecting aluminum inner liner and a rugged galvanized steel outer casing, designed to reduce the risk of fire by keeping the outer surface temperature low while preventing condensation within the vent. This 3-foot extension is a critical component for building or repairing a chimney system, offering a secure, leak-resistant connection that meets modern safety standards for gas appliance ventilation.\u003cbr\u003e\nType: Gas Venting \/ B-Vent Pipe\u003cbr\u003e\nSize: 4-inch Diameter x 36-inch Length\u003cbr\u003e\nDimensions: 36 inches × 4 inches × 4 inches\u003cbr\u003e\nApplication: Commonly used for venting gas-fired furnaces, water heaters, boilers, and space heaters. Suitable for residential and commercial Type B gas vent systems.\u003cbr\u003e\nSpecifications: Double-wall construction; Aluminum inner liner for corrosion resistance; Galvanized steel outer wall for durability; Standard locking joints for secure assembly; Designed for use with natural gas or liquid propane category I appliances.","brand":"BCFurnace","offers":[{"title":"4\" X 36\" B-VENT LENGTH \/ 638-122","offer_id":49018458865949,"sku":null,"price":48.24,"currency_code":"CAD","in_stock":true},{"title":"4\" X 36\" B-VENT LENGTH \/ 200402","offer_id":49018458898717,"sku":null,"price":48.24,"currency_code":"CAD","in_stock":true},{"title":"4\" X 36\" B-VENT LENGTH \/ 5525799","offer_id":49018458931485,"sku":null,"price":48.24,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/dbc7017617bc4debba6b1fad1381add0.webp?v=1773957581","url":"https:\/\/bcfurnace.myshopify.com\/products\/638-122","provider":"BCFurnace","version":"1.0","type":"link"}