Description
This is a BRAND NEW Double (2) Pole Contactor rated at 25 amps. It has a 24 volt coil. Mars2 part # is 17221. Thanks for looking and good luck!
Function:
A contactor form of a relay. 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:
17221
Repair Difficulty Level:
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