McDonnell & Miller Series 42S Low Water Cut-Off/Pump Controllers
- Monel bellows provides corrosion resistance
- Single pole, single throw snap action switches
- Enclosed junction box protects switches
- Maximum pressure 50 psi (3.5 kg/cm2)
For residential, commercial, and industrial low and medium pressure steam boilers with a separate water column and boilers of any steaming capacity.
- Quick hook-up fittings
- Gauge glass connector