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Key Benefits Enhanced System Safety: Mechanically forces airflow to prevent backdrafting and ensure the safe removal of combustion byproduct gases
To avoid motor overheating
the AC solenoid coil can be serviced or replaced without disconnecting the valve body from the NPT piping
keeping your systems compliant and operational
Quiet Operation: Engineered for minimal vibration and reduced noise levels during high-speed cooling or heating cycles
McDonnell & Miller 150S-MD Controller Freon Key Benefits Enhanced System Safety:The McDonnell & Miller 150S MD (Part Number 171802) is a heavy duty combination low water cut off and pump controller designed specifically for commercial and industrial steam boiler applications. This model features a snap acting SPDT switch with Maximum Differential operation, which is critical for preventing rapid pump cycling in high demand systems. It is engineered to maintain precise water levels up to a maximum pressure of 150 psi (10. 5 kg