Designed as a direct drop-in replacement

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

While it may fit some universal boards that utilize standard 9-pin headers

Access Security: Includes customizable keypad lockouts and access codes to prevent unauthorized setpoint adjustments in public spaces

Johnson Controls MS4PM12CT-11 Field Controller Els PW 29614 Designed as a direct drop-inProfessionals 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