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The Goodman 4053501S is a factory-original chimney/flue vent collar engineered as a direct-fit replacement for the Goodman GDS80453ANA 80% gas furnace. The collar forms the connection point between the furnace's draft hood/vent outlet and the flue pipe leading to the chimney, ensuring combustion byproducts are channeled safely out of the home. A corroded, warped, or ill-fitting collar can allow flue-gas leakage and disrupt proper draft — a serious combustion-safety concern.
The genuine Goodman collar matches the exact outlet diameter and flange pattern of the GDS80453ANA vent, so the flue pipe seats tight and draft stays correct. Generic collars can leave gaps that leak flue gas or restrict draft. For any venting component, OEM fit is the safe choice.
Rated Easy. Cut power, disconnect the flue pipe, remove the old collar screws, fit the new collar, and reconnect the vent — sealing per code. About 20–30 minutes. Always verify proper draft and check for spillage with a combustion analyzer or match test after reassembly.
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