McDonnell & Miller 150S-M Boiler Low Water Cut-Off/Pump ControllerThe McDonnell & Miller 150S M Boiler Low Water Cut Off Pump Controller provides reliable boiler protection for commercial and industrial systems. This mechanical actuation device combines a low water cut off with a pump controller to prevent overheating and dry firing, helping to extend equipment life and improve safety. The unit features a 1 inch BSPT port, robust construction for steam and water media, and a 150 PSI pressure rating, making it

Replacement: Replaces C6097A1038

and durable construction

blending reliability with efficiency in residential and light commercial settings

1/2" NPT connector for straightforward installation

Length: 3 meters (10 ft)

it installs quickly into standard piping and provides reliable shutoff in industrial

Low-maintenance sensor ensures long service life

offering dependable HVAC fan motor performance

Voltage: 24V AC/DC input

predictable seal

Durable construction for long service life in demanding heating environments

-40 to 150°F operating range