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The Goodman 0130M00014 Relay is the genuine OEM 240V switching relay for WPC4336AHAB packaged air conditioners. It uses a low-voltage control signal to switch the higher-voltage load circuit (typically the blower or fan), isolating the control board from line voltage. When a relay fails, the affected component either won't energize or won't shut off — replacing it with the correct OEM relay restores reliable, safe switching.
The OEM relay is rated to the exact coil voltage, contact amperage, and terminal layout the Goodman wiring harness expects, so it drops in without adapters. Generic relays may carry the right voltage but differ in contact rating or pin spacing, risking chatter, early contact burn-out, or miswiring. For an electrical switching part, matching the OEM spec is the reliable path.
Moderate (electrical). Lock out power, photograph the wiring, transfer leads one at a time to the matching terminals, and verify operation. 20–40 minutes. If you're not comfortable working with 240V, use a licensed HVAC technician.