protecting the contactor and compressor from unnecessary cycles

it features a rapid-heat silicon nitride element that reaches ignition temperature quickly

Common Questions: Which actuator models are compatible with this retainer

Does this part assist in preventing cold drafts at the start of a cycle

McDonnell & Miller 157S-P Controller 323055-751 protecting the contactor and 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