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Durable Shell Design: Features an epoxy powder-coated finish for exceptional corrosion resistance in harsh outdoor environments
Code Compliance: Facilitates NEC Article 430-32 compliance for motor branch-circuit overcurrent protection when sized according to manufacturer charts
The internal fusible element is designed to melt and lose structural integrity to close the valve when temperatures reach approximately 165°F
This typically signifies a failure to sense flame during the 15-second trial
McDonnell & Miller 157S-P Controller 322838-754 Durable Shell Design: Features anThe 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
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