this switch is the primary defense against heat exchanger damage and hazardous overheating

Can this switch be used in sub-zero environments

For steam boiler applications requiring integrated safety controls

these HVAC service valves are rated for pressures up to 600 PSI and a temperature range of -40°F to 250°F

Operating at 208-230V and providing a flexible 1/2-3/4 HP output

Johnson Controls MS4PM12CT-11 Field Controller Els PW 29614 this switch is the primaryProfessionals in the field rely on the Johnson Controls MS4PM12CT 11 for its precise multi stage operational logic in demanding HVACR environments. This four stage field controller is engineered for complex sequences, providing individual setpoint and differential adjustments for up to four stages of heating or cooling. By utilizing an integrated NTC temperature sensor, the unit monitors environmental conditions in real time to maintain tight setpoint