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The Goodman 4053501S Chimney Collar is a genuine OEM flue-vent connector for GMPV075-1.5 gas furnaces. It forms the transition between the furnace flue outlet and the vent pipe or chimney, providing a secure, correctly sized connection for combustion exhaust. A rusted, dented, or ill-fitting collar can leak flue gases or create a loose vent joint, so replacing it with the OEM part restores a safe, tight exhaust connection.
The OEM Goodman collar is sized to the exact flue-outlet diameter and mounting flange of the GMPV075-1.5. Generic collars may not seat squarely or seal at the flange, risking a flue leak. The genuine part bolts on without adaptation and meets the original venting spec.
Moderate. Requires disconnecting the vent pipe and re-securing the collar to the flue outlet. Because it carries combustion exhaust, confirm a tight, leak-free joint after installation. Shut off gas and power before servicing; professional installation is recommended.