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The Goodman B1392139 View Port Bushing is a genuine OEM replacement component for ACES800805CXAA gas furnaces. This sight-port grommet seats into the heat exchanger inspection opening, allowing a technician to safely view the burner flame and ignition without exposing the combustion chamber. A cracked, missing, or hardened bushing can allow flue gas leakage and failed flame inspection, so a correct OEM fit matters.
This is a genuine Goodman OEM bushing engineered to the exact bore and temperature spec of the original. Generic grommets often use lower-temp rubber that hardens and cracks, risking flue leakage. For a combustion-area seal, OEM is the recommended choice.
Install Difficulty: Easy (1/5). Press-fit replacement — no tools required beyond removing the burner access panel. Always shut off gas and power before servicing.