Description
This is a Brand New OEM Upgraded Lennox/Armstrong/Ducane Heat Pump Reversing Valve 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:
73W84 73W8401 100145-11
Repair Difficulty Level:
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