McDonnell & Miller 94-M Pump Controller 30067439-890 it is specifically optimized for

it is specifically optimized for the impedance requirements of Modine's proprietary control boards

Designed for specialized HVAC applications

and LHA series models

Featuring a standard 1/8-inch NPT air connection

Enhanced Capacity Control: Enables the compressor to operate at reduced capacity during low-demand periods for superior load matching

McDonnell & Miller 94-M Pump Controller 30067439-890 it is specifically optimized 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