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The 10135604 is a genuine OEM relay for Goodman DCC300 series commercial package air conditioners. This switching relay energizes and de-energizes a load circuit — such as the compressor contactor, fan, or auxiliary component — on command from the control board or thermostat. A failed relay can cause no-start, chattering, or a component that won't shut off; the correct OEM part restores dependable switching.
The genuine Goodman 10135604 matches the coil voltage, contact rating, and terminal layout your unit expects, ensuring a direct fit and proper switching. Generic relays may differ in coil rating or pin configuration, risking miswiring or premature failure. OEM is recommended for control reliability.
Easy to Moderate — Electrical-only replacement; no refrigerant work. Disconnect power, label or photograph the wiring before removal, and match terminal positions exactly. A qualified technician is recommended.