{"product_id":"oem-goodman-chimney-flue-vent-collar-for-ams81155cnaa-4053501s","title":"OEM Goodman Chimney \/ Flue Vent Collar for AMS81155CNAA — 4053501S","description":"\u003ch2\u003eGoodman 4053501S Chimney Collar\u003c\/h2\u003e\u003cp\u003eThe Goodman\/Amana \u003cstrong\u003e4053501S\u003c\/strong\u003e is a genuine OEM chimney collar (flue vent connector) for the \u003cstrong\u003eAMS81155CNAA\u003c\/strong\u003e 80% AFUE gas furnace and compatible Goodman\/Amana models. The collar seats on the furnace's induced-draft outlet and adapts it to the vent pipe, forming a clean, correctly sized transition that supports proper draft and safe flue-gas removal. A rusted, warped, or missing collar can allow leakage, poor venting, or improper connector sizing.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Flue \/ vent collar transition\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Coated\/galvanized steel (\"S\" spec)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e 80% AFUE induced-draft venting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e AMS81155CNAA and related Goodman\/Amana furnaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaces:\u003c\/strong\u003e Corroded or damaged OEM collar\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eOEM 4053501S\u003c\/strong\u003e matches the factory outlet diameter and screw pattern, so it aligns without gaps and maintains the listed vent connection. Universal collars often require rework or sealing to fit and may not match the flue size, risking spillage. The OEM collar keeps the venting to specification.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty: Easy (2\/5)\u003c\/h3\u003e\u003cp\u003eShut off power, disconnect the vent pipe, remove the fasteners securing the old collar, clean the mating surface, and install the new collar with the factory screws. Re-connect and seal the vent, then verify proper draft with a combustion or draft check. Any venting work should be performed or verified by a qualified HVAC technician.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057715396979,"sku":"GOODMAN-7178","price":20.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-chimney-flue-vent-collar-for-ams81155cnaa-4053501s","provider":"National HVAC Parts","version":"1.0","type":"link"}