{"product_id":"638-109","title":"638-109","description":"The 4-inch B-Vent Chimney Liner Adaptor is a high-quality metal venting component designed to provide a secure and efficient transition between standard B-vent pipe and chimney lining systems. This adapter is essential for ensuring proper draft and the safe exhaust of combustion gases in residential and commercial gas-fired appliance installations. Ideal for use with gas furnaces, water heaters, and boilers, it features a durable construction that resists corrosion and stands up to high temperatures. Whether you are performing a chimney relining project or updating an HVAC system, this adapter facilitates a reliable connection that helps maintain indoor air quality and system efficiency. Its precision-engineered design ensures a tight fit, making it a staple for professional HVAC technicians and contractors working with Type B gas vents.\u003cbr\u003e\nType: Metal Venting\u003cbr\u003e\nSize: 4-inch\u003cbr\u003e\nApplication: Used to connect 4-inch B-vent piping to chimney liners in gas-fired heating systems, including furnaces, water heaters, and boilers.\u003cbr\u003e\nSpecifications: Durable metal construction, corrosion-resistant finish, designed for standard 4-inch Type B gas vent transitions.","brand":"BCFurnace","offers":[{"title":"4\" B-VENT CHIMNEY LINER ADAPTOR \/ 638-109","offer_id":49018470433053,"sku":null,"price":36.46,"currency_code":"CAD","in_stock":true},{"title":"4\" B-VENT CHIMNEY LINER ADAPTOR \/ 200462","offer_id":49018470465821,"sku":null,"price":36.46,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/71d95910064742d8b3d165a946342ea0.webp?v=1773957653","url":"https:\/\/bcfurnace.myshopify.com\/products\/638-109","provider":"BCFurnace","version":"1.0","type":"link"}