Lennox 63P89 – (4M3) 4" x 36" Type B Double Wall Vent Pipe

 

The Lennox 63P89 – (4M3) is a 36-inch long, 4-inch diameter Type B gas vent pipe, engineered for safe and efficient venting of Category I gas-fired appliances such as furnaces, boilers, and water heaters. Manufactured by Metal-Fab, this pipe features a double-wall construction with an aluminum inner liner and a galvanized steel outer shell, providing excellent heat resistance, corrosion protection, and durability.

Designed for vertical and horizontal installation, the 4M3 pipe ensures a secure connection with other Type B vent components through its twist-lock joint system, minimizing leakage and simplifying installation. The double-wall design reduces clearances to combustibles, helping meet local code requirements while improving system performance through enhanced draft.

 

Key Features:

Ideal for residential and light commercial gas venting systems, the Lennox 63P89 provides long-lasting reliability and compliance with safety standards.

Available now at Beenimax.com – your trusted source for genuine Lennox HVAC components.

 

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