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The Goodman 0130M00014 Relay is a genuine OEM 240V switching relay for the WPH4348AHBA package unit and compatible Goodman/Amana systems. This electromechanical relay uses a low-voltage control signal to switch a line-voltage load — energizing the blower, heater, or accessory circuit on command from the control board or thermostat. A failed relay shows up as a component that will not start, chatters, or sticks closed.
The genuine relay is matched to Goodman's contact rating, coil voltage, and terminal layout, so it drops in and carries the design load without nuisance failures. Generic relays with mismatched contact ratings or pinouts risk overheating terminals, welded contacts, and control-board damage. For an electrical switching component, OEM ratings protect the whole circuit.
Moderate (technician recommended). With power disconnected and locked out, photograph the wiring, transfer leads one at a time to the matching terminals on the new relay, and confirm the coil voltage before restoring power. Budget 20 to 30 minutes. Electrical work should be performed by a qualified technician where required by local code.
Genuine Goodman quality. Confirm compatibility at info@nationalhvacparts.com with your full model and serial number.