McDonnell & Miller 94M

McDonnell & Miller 94M LWCO & Pump Control (Steam) with Manual Reset Switch, model 165900, delivers dependable boiler protection for steam systems. The McDonnell & Miller 94M combines a Low Water Cut-Off (LWCO) with a pump control to automatically supervise water level and pump operation. This integrated control helps prevent dry firing and pump damage, ensuring safer and more efficient boiler performance.

Designed for steam boilers, this unit features a robust manual reset switch and straightforward installation, making it a smart choice for retrofit or new installations. The 5M switch requires manual re-arm after a fault, adding an extra layer of safety. With its compact design and reliable operation, the 94M is a trusted LWCO and pump control solution for commercial and residential steam systems.

• Integrated LWCO and steam pump control for reliable boiler protection
• Manual reset switch (5M) for secure fault rearm
• Model 165900 identification for easy ordering and maintenance
• Suitable for steam boilers, helping prevent low-water conditions
• Simple installation and compatibility with McDonnell & Miller controls