McDonnell & Miller 94-M Pump Controller THPU32HP7Y With a 1/2" NPT inlet

With a 1/2" NPT inlet and a 1/2" NPT bottom outlet configuration

R101432-14

and FS250 models

Optimized for high-pressure applications

McDonnell & Miller 94-M Pump Controller THPU32HP7Y With a 1/2" NPT inletThe McDonnell & Miller 94 M is proof of heavy duty reliability for high pressure steam applications, serving as a robust combination low water cut off and pump controller. Designed specifically for steam boilers with a maximum pressure of 250 psi, this unit utilizes manual reset SPDT switches to ensure precise water level management and failsafe protection. The dual snap acting switches prevent rapid cycling, reducing mechanical wear on your pump