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The 0154F00004 is a genuine Goodman/Amana replacement gasket designed to create an airtight, high-temperature seal on the AMH80704BXCA 80% AFUE gas furnace and other compatible models. A properly sealed gasket keeps combustion and flue gases contained, maintains correct pressure across the furnace, and helps the pressure switch and induced-draft system read accurate values. A worn or missing gasket is a common cause of pressure-switch faults and reduced efficiency.
This OEM gasket is die-cut to the precise dimensions and bolt pattern of the furnace, ensuring a complete seal the first time. Generic or hand-cut gaskets often leave gaps or use lower-temperature material that degrades quickly, leading to leaks, nuisance lockouts, and repeat repairs. For sealing components, the exact-fit OEM part saves time and callbacks.
Replacement involves shutting off gas and power, removing the affected panel or collector box, scraping away old gasket residue, seating the new gasket, and reassembling to spec. Plan for 30–45 minutes. Because this seal is part of the combustion path, we recommend verification by a licensed HVAC technician and a post-install check for proper draft and no gas or flue leakage.