McDonnell & Miller 150S Switch Freon It is commonly used for

It is commonly used for commercial ventilation

and LFSH1434 mixing valves

this kit is specifically sized for 1/2" and 3/4" units

The "C" suffix typically denotes bulk packaging or specific distributor labeling

Normally Closed Logic: Ensures positive system isolation during power loss or thermostat cycles

McDonnell & Miller 150S Switch Freon It is commonly used forThe McDonnell & Miller 150S Switch (Part Number 171702) is a heavy duty combination low water cut off and pump controller designed for commercial and industrial steam boiler applications. As a veteran preferred mechanical water level control, this unit features a snap acting SPDT switch assembly that provides precise low water cut off and alarm actuation. The 150S series is engineered for boilers of any steaming capacity, supporting a maximum pressure