ensure the set screw is torqued correctly to the motor shaft flat to eliminate vibration and premature bearing wear in the condenser motor

refrigerant will condense in the oil

cracked ceramic bushings

ensuring precise control during system maintenance

while the 25 µm internal filter ensures minimal pressure drop with high dirt retention

MARS 43305 Pressure Switch 323613-751 ensure the set screw isThe MARS 43305 Pressure Switch is a high performance condenser fan cycling switch engineered for precision control in HVACR refrigeration units and air conditioning systems. Featuring a Single Pole Single Throw (SPST) configuration, this switch is designed to open on pressure fall at 190 PSI and close on pressure rise at 275 PSI. Built with a hermetically sealed sensor and tamper proof construction, it provides reliable fan cycling control in