Contactor

Front view of a new Contactor

Definition

A contactor controls power to your AC unit and normally carries high voltage. It’s usually controlled by lower voltage from your AC control board or thermostat.

Abbreviations

CONT

Related Terms

Expansion Valve

Expansion Valve

Controls how much refrigerant is allowed to flow into the evaporator coil

R-12

R-12

Common type of refrigeration used in older home AC systems

Freon

Freon

Brand name for a type of refrigerant used in air conditioning systems

Tags - Contactor

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