operates on the Fahrenheit scale and features SPDT enclosed relays for reliable switching in commercial HVACR applications

Easy Installation: Standard configuration allows for rapid swap-outs during routine service or emergency repairs

47-inch) pre-installed cable simplifies 24V actuator wiring during field installs

preventing high-head pressure issues in air conditioning systems

McDonnell & Miller 94 Controller R-22 operates on the Fahrenheit scaleWorking on a high pressure system requires reliability that won't flake out when the building's steam demand peaks. The McDonnell & Miller Series 94 (Part Number 165200) is a heavy duty combination low water cut off and pump controller specifically engineered for commercial and industrial steam boilers. Rated for a maximum pressure of 250 PSI, this unit uses a unique magnetic repulsion mechanism that completely eliminates the need for a