{"product_id":"638-120","title":"638-120","description":"This premium 4-inch x 18-inch B-Vent length is a essential component for safely exhausting flue gases from gas-fired appliances. Engineered with a durable double-wall construction, this metal venting pipe features an inner aluminum liner that resists corrosion and an outer galvanized steel shell for superior structural integrity and heat protection. Designed for high-efficiency HVAC installations, this B-Vent pipe ensures a secure, airtight connection to maintain the necessary draft for residential furnaces, water heaters, and boilers. Its lightweight yet robust design is optimized for venting Category I natural gas or liquid propane systems, providing a reliable solution for both new installations and professional repairs.\u003cbr\u003e\nType: Gas Venting Pipe\u003cbr\u003e\nSize: 4 inch x 18 inch\u003cbr\u003e\nDimensions: 18 in × 4 in × 4 in\u003cbr\u003e\nApplication: Commonly used for venting Category I gas-fired appliances, including residential furnaces, water heaters, and boilers. Suitable for natural gas and liquid propane exhaust systems.\u003cbr\u003e\nSpecifications: Double-wall insulated design; aluminum inner wall for corrosion resistance; galvanized steel outer wall for heat protection; safety-rated for gas-fired ventilation applications.","brand":"BCFurnace","offers":[{"title":"4\" X 18\" B-VENT LENGTH \/ 638-120","offer_id":49018458505501,"sku":null,"price":34.28,"currency_code":"CAD","in_stock":true},{"title":"4\" X 18\" B-VENT LENGTH \/ 200403","offer_id":49018458538269,"sku":null,"price":34.28,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/147f7625460a4428a71731fb676347bf.webp?v=1773957573","url":"https:\/\/bcfurnace.myshopify.com\/products\/638-120","provider":"BCFurnace","version":"1.0","type":"link"}