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As a field-hardened technician
For technicians managing zoneless commercial layouts or complex multi-stage equipment
a common point of failure in older units
and solenoid base gasket
MARS 19164 Potential Relay R-407A As a field-hardened technicianThe MARS 19164 is a standard service HVAC potential relay designed specifically for single phase compressor motors requiring precise start capacitor disconnection. As a professional grade Model 164 relay, it features a pick up voltage range of 245 275V and a drop out voltage of 60 140V, ensuring reliable starting torque in high demand refrigeration and air conditioning applications. Rated for 420V hold voltage and 35 amp contact current, this