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The Goodman 10135604 relay is a genuine OEM switching relay used in the ASH130361AB heat pump. It provides isolated, low-voltage-controlled switching of a line-voltage load — allowing the control board or thermostat circuit to safely energize and de-energize components such as the outdoor fan or auxiliary circuits without passing high current through the control wiring.
The OEM 10135604 matches the exact coil voltage, contact rating, and terminal layout Goodman specified for this unit, so it seats into the existing harness and bracket. Generic relays with the same nominal rating can work but often differ in terminal orientation or contact life, forcing wiring modifications. When in doubt, the OEM part guarantees a clean, spec-correct fit.
Easy (2/5). No refrigerant handling required. Cut power at the disconnect, note the terminal positions (photograph first), pull the old relay, and push the leads onto the matching terminals of the new one. Typically a 15-minute swap for anyone comfortable working around de-energized HVAC controls.