McDonnell & Miller Low Water Cut-Offs Are Used For Residential Or Commercial Steam Boiler Applications.
McDonnell & Miller Low Water Cut-Offs are solidly manufactured for long lasting durability and dependability. Series PSE-800 units are used for commercial steam boiler applications. Controls burner shut off based on volatility/variability of resistance settings. Turns off the boiler if it recognizes an out-of-water condition when the senility threshold is exceeded. Green power on indicating LED. Red low water indicating LED. 30 second DOM. Test button. Self-Cleaning probe. No lock out with loss of power if probe is in water. Provisions to add water feeder of alarm. Available with Extended Barrel, Manual Reset and Remote Probe features. RB-24E and RE-122E units are used for residential applications. Brass threads enable secure installation. Test button confirms proper operation. Easy wiring and installation. Automatic reset. Green LED indicating power is on. Red LED indicating low water condition. Solid state operation.