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The Goodman B1370819 is a genuine OEM door interlock safety switch built for the Goodman ADS80453ANA gas furnace and related Goodman/Amana models. This plunger-style switch cuts power to the furnace control board whenever the blower compartment door is removed, protecting service technicians and homeowners from live electrical and moving-blower hazards. If your furnace is completely dead — no display, no blower, no ignition — a stuck or broken door switch is a frequent and inexpensive culprit.
The OEM B1370819 matches the original bracket geometry and plunger travel so the door closes the circuit reliably every time. Generic switches often require bending brackets or shimming, which can lead to intermittent no-power faults. Choosing OEM avoids frustrating callbacks and guarantees proper safety operation.
Easy (2/5). Plan on 10–15 minutes with a screwdriver and wire connectors. Shut off power at the breaker first. Remove the failed switch from its bracket, transfer the two wires, and snap or screw the new switch into place, confirming the plunger depresses fully when the door is reinstalled.