McDonnell & Miller 193-A Controller 30067439-890 or data logger that accepts

or data logger that accepts a 4-20mA current loop signal

and compressor contactor pilot circuits

Standardized Wiring: Equipped with a 4-pin terminal plug for rapid interface with existing burner control modules

an upright orientation is preferred

Is this the correct replacement for a normally open valve

McDonnell & Miller 193-A Controller 30067439-890 or data logger that acceptsThe McDonnell & Miller 193 A is a heavy duty combination low water cut off and pump controller engineered for commercial steam boiler applications. Designed for boilers with a maximum pressure of 150 PSI, this unit features dual snap acting SPDT switches for precise burner control and pump activation. The 193 A model utilizes alternate tappings to simplify installation on various boiler configurations. Its rugged float operated mechanism ensures