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making it ideal for standard potable water and high-conductivity liquids
It features a CCW (counter-clockwise) rotation as viewed from the shaft end
coils must be sourced separately if needed
"pressure switch stuck open" error codes on the control board
McDonnell & Miller 159S Controller R-410A making it ideal for standardThe McDonnell & Miller 159S Controller (Part Number 178802) is a specialized combination low water cut off and pump controller designed for heavy duty commercial and industrial steam boiler applications. Operating at a maximum pressure of 150 psi, this unit integrates a float operated mechanism with dual bi metal snap acting switches to ensure precise level management. The configuration features one SPST switch dedicated to pump control and a second