McDonnell & Miller 194-A Controller THPU32HP7Y high-conductivity connection to the piping

high-conductivity connection to the piping for immediate temperature response

protecting the compressor and evaporator coils from adverse operating conditions

While the sensor is included

SPNO Circuitry: Designed for close-on-fall operation

McDonnell & Miller 194-A Controller THPU32HP7Y high-conductivity connection to the pipingThe McDonnell & Miller 194 A is a heavy duty combination low water cut off and pump controller designed specifically for commercial and industrial steam boiler applications. Engineered for systems with a maximum steam pressure of 250 PSI, this unit features dual snap acting SPDT switches to ensure precise boiler water level control and reliable low water protection. The 194 A series is often selected by technicians for high pressure environments where