638-117

This 4-inch x 4-inch x 4-inch B-Vent Tee is an essential component for residential and commercial HVAC venting systems. Designed specifically for Type B gas venting applications, this tee connector allows for the transition between horizontal and vertical vent runs or serves as a junction to combine exhaust from multiple gas-fired appliances into a single vent stack. It is ideal for use with Category I natural gas or liquid propane appliances, such as high-efficiency water heaters, furnaces, and boilers. Built with high-quality, double-wall construction, it features a corrosion-resistant galvanized steel outer shell and an aluminum inner liner to ensure maximum safety and durability while maintaining optimal flue temperatures. Its precision-engineered design ensures a secure, leak-free connection, making it a reliable choice for professional HVAC installations and heating system upgrades.
Type: Metal Venting
Size: 4 inch
Dimensions: 4 in × 4 in × 4 in
Application: Commonly used in gas-fired appliance exhaust systems, including furnaces, water heaters, and boilers. Suitable for Category I appliances requiring Type B gas venting.
Specifications: Double-wall construction; galvanized steel exterior for corrosion resistance; aluminum inner liner; designed for 4-inch diameter vent systems; compatible with standard twist-lock or snap-lock B-vent piping.