Compressor Protection: Prevents catastrophic failure by monitoring for low refrigerant pressure conditions and cycling the contactor off

Why is my transformer humming or running hot

The mode is determined by the relationship between the "OFF" and "ON" setpoints

as it directly updates older 1F70-358 and 1F80-261 models

they are identical in specification and can be used interchangeably in all applications

Johnson Controls P70MA-1 Pressure Control Freon Compressor Protection: Prevents catastrophic failureThe Johnson Controls P70MA 1 Pressure Control is a heavy duty dual pressure switch engineered for precision monitoring in commercial refrigeration and air conditioning systems. This SPST switching control serves as the direct replacement for the 2891550, providing a versatile "all range" solution for systems utilizing R 12, R 22, R 134A, R 500, and R 502 refrigerants. It features a low pressure side adjustable from 20" Wc to 100 psi with a 7 to 50 psi