McDonnell & Miller 157S-P Controller 322838-754 5 Ton compressor

5 Ton compressor

Simplified Installation: The Relay in a Box design eliminates the need for separate sockets or external enclosures

this unit delivers the accuracy required for efficient economizer control and ambient air monitoring

This typically signifies a failure to sense flame during the 15-second trial

Code Compliance: Facilitates NEC Article 430-32 compliance for motor branch-circuit overcurrent protection when sized according to manufacturer charts

McDonnell & Miller 157S-P Controller 322838-754 5 Ton compressorThe McDonnell & Miller 157S P Controller (Part #175802) is a precision engineered combination low water cut off and pump controller designed for commercial and industrial steam boilers of any steaming capacity. As the direct replacement for the legacy McDonnell & Miller 157S, this unit integrates a manual reset mechanism to ensure rigorous safety protocols in the event of a low water condition. Featuring a robust Monel bellows for superior corrosion