McDonnell & Miller is a leader in engineering and manufacturing boiler controls, liquid level controls, low-water cutoffs, and flow switches for steam and hot water boilers in industrial, commercial, and building trades applications.
Features and Benefits
- For residential and commercial applications
- For boilers of any steaming capacity
- Quick hook-up fittings provided
- Lever-operated, full port ball valve for easy blow down
- Adjustable BX outlet for easy installation
- Dual precision switches for dependable operation of the low water cut-off and alarm or electric water feeder
Optional features
- Low voltage switches for self-generating millivolt circuits
- Manual reset switch
- Large float chamber
- Maximum steam pressure 20 psi (1.4 kg/cm2)
Want to learn more about this Float Type Low Water Cut-off? Read our blog about boiler repair parts here.








