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The Goodman B1392139 is a genuine OEM view port bushing (sight-glass grommet) for the ADSS800804BXAA gas furnace and compatible Goodman/Amana models. This small but essential component frames and seals the burner observation port, letting a technician safely watch flame ignition and burner performance while keeping combustion gases contained within the burner compartment.
Though inexpensive, this bushing must match the exact port diameter and heat rating to seat securely and resist heat cycling. A loose or generic grommet can fall out, distort, or allow leakage around the port. This OEM part guarantees a snug, factory-correct fit.
Easy (1/5) — Simply press the old bushing out and snap the new one into the port opening. No tools required; under 5 minutes. A great low-cost item to replace during any burner service or heat-exchanger inspection.
Genuine Goodman replacement part. Questions on fitment? Email info@nationalhvacparts.com.