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The Goodman 10135604 is a genuine OEM relay used in the ASH130481AC 13 SEER, 4-ton heat pump. The relay uses a low-voltage 24V control signal to switch a higher-voltage load — commonly the condenser fan motor or an auxiliary circuit — allowing the control board to safely command line-voltage components. A failed relay shows up as a fan or accessory that won't energize even though the board is calling for it, or as chattering/pitted contacts.
Coil voltage, contact rating, and terminal layout must match the ASH13 control circuit exactly. A generic relay with a different contact rating or pinout risks premature contact welding or miswiring. The OEM 10135604 drops into the existing terminals with the correct coil and contact specs for dependable switching.
Difficulty: Easy to Moderate (DIY-capable). Kill power at the disconnect, note the terminal positions, unplug the old relay, and seat the replacement. No refrigerant handling required. Estimated time: 15–30 minutes.