Description
This is a BRAND NEW Rheem/Weather King/Corsaire/RUUD Heat Pump Relay. The Part # 42-21786-81. This relay has connectors in the 12345789A & B slots. Only 6 has no connector. Thanks for looking and good luck!
Function:
Relays are switches that open and close circuits electrically. In most HVAC equipment a low voltage coil relay (24 vac) is energized in order to open or close a higher voltage (usually 120-240) circuit.
Replaces Old Part #s:
42-21786-02 42-21786-03
Repair Difficulty Level:
Partial List of Units that Use This Item:
Hit Ctrl+F and enter your model number for a quick search!