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The Goodman 10135604 is a genuine OEM control relay engineered for DCC3000313WMXXAA commercial package air conditioners. It switches the unit's fan and control circuits in response to the 24-volt thermostat and control-board signals, ensuring the blower and contactor energize reliably on every call for cooling. Typical signs of a failed relay include a no-start condition, intermittent fan operation, or audible chattering at the control board.
This factory OEM Goodman relay matches the exact coil resistance, contact rating, and terminal layout the unit was designed around, so it drops in without rewiring. Aftermarket generics may be cheaper but can differ in contact rating and footprint, leading to nuisance failures. For a control component this critical, OEM is the dependable choice.
Easy (2/5). A qualified technician can swap this relay in 10–15 minutes. Disconnect power, photograph the wiring, transfer leads one at a time, and verify operation before closing the panel.