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The Goodman 4053501S is a genuine OEM chimney collar (flue collar) built for the Goodman GMPH080-5 gas furnace and compatible Goodman/Amana models. This venting component provides the transition between the furnace flue outlet and the vent pipe, ensuring a secure, properly sealed connection for safe combustion-gas evacuation. A corroded or ill-fitting collar can cause vent leaks and inefficient draft.
The genuine Goodman collar matches the furnace's flue-outlet diameter and mounting pattern exactly, giving you a leak-free factory fit. Generic collars often require trimming or extra sealing and may not seat correctly against the cabinet, risking flue-gas leakage. For a combustion-venting part, OEM fit and sealing integrity matter.
Easy — slips onto the flue outlet and secures with screws; seal per code. Always shut off power and gas first. 15–30 minutes; a licensed HVAC technician should verify draft after any venting work.