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The Hart & Cooley 16221 B-Vent Pipe Collar is a double-wall, air-insulated system designed for negative pressure applications with flue gas temperatures not exceeding 400°F for Category I appliances. This 5-inch collar features a galvanized outer pipe and aluminum inner pipe, providing protection against corrosion and external damage. It is secured by locking joints, ensuring a strong connection without screws and preventing separation due to vibration. This system is UL 441 Listed for Type B gas vent systems.
The Hart & Cooley 16221 B-Vent Pipe Collar ensures secure, corrosion-resistant venting for Type B gas appliances, featuring easy, screw-less installation.
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