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The B1392139 view port bushing is a genuine Goodman/Amana replacement grommet that seals the flame-observation sight port on your AMES801005CXAA gas furnace. This bushing maintains a proper air-tight seal at the burner viewing window, preventing combustion air leakage and helping the pressure switch and flame sensor operate correctly.
A correctly sized OEM bushing is critical for a leak-free combustion chamber. The genuine B1392139 is molded to the exact port diameter and rated for the temperatures near the burner box. Generic grommets may not seat fully or may degrade under heat, leading to nuisance lockouts. OEM ensures a proper, lasting seal.
Very Easy (1/5) — No special tools required. Power down the furnace, press the old bushing out, and snap the new B1392139 into place. Typical time: under 10 minutes.
Always shut off gas and electrical power before servicing. When in doubt, contact a licensed HVAC professional.