McDonnell & Miller 94-M Pump Controller R-22 This hinge is designed for

This hinge is designed for a broad range of Reznor HVAC equipment

5 inches in length with a 1-7/8 inch mounting hole spread

This module is essential for commercial HVACR applications requiring reliable digital temperature monitoring and field-level troubleshooting

Scroll compression design for smooth and reliable operation

ensuring consistent thermal cycling without the modulation lag found in standard throttling valves

McDonnell & Miller 94-M Pump Controller R-22 This hinge is designed forThe 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