The Series PSE-800 probe type LWCO uses patented technology to monitor changes in water conductivity. When defined parameters are exceeded the new PSE-800 makes a decision to shut the burner off based on the volatility/variability of the resistance readings. This new patented technology provides the best protection possible without turning off the boiler unless a low water condition exists. As an added measure of safety, the control will turn off the boiler if it recognizes an out-of-water...

Mcdonnell & Miller RB-122-E 120volt Hot Water Boiler Low Water Cutoff. Features and Benefits For residential and commercial applications Electronic operation Easy to install and wire Red low water indicating LED Green power indicating LED Now with test button Automatic reset No blow down required 20,000 ohms probe sensitivity Maximum ambient temperature 120°F (49°C) Maximum water temperature 250°F (121°C) Maximum water pressure 160 psi (11.2 kg/cm2) ...

The RB-24E low water cut-off offers several features: Brass threads provide a metal-to-metal seal that ensures a leak-free installation.Integrated wrench flats enable secure installation without damage to the housing.McDonnell & Miller’s patented self-cleaning probe minimizes scale build-up and extends the recommended cleaning interval to 5 years.“Plug & Play” wiring harnesses are available for most residential gas-burning boilers.McDonnell & Miller RB-24E Low Water Cut-Off Patented...

Mcdonnell & Miller WFE-24 24volt Steam Boiler Water Feeder 169550 Features and Benefits Field-adjustable dwell-feed cyclesMulti-color LED status indicatorManual feed buttonHard-stop limit to minimize chances of flooding the boilerCompatible with all electronic & mechanicalLow Water Cut-OffsIncludes adapters for connection to 1/2” copper tubingRemovable strainer (replace after cleaning)Maximum water pressure 150 psi (10.5 kg/cm2)Maximum boiler pressure 15 psi (1 kg/cm2)Maximum water temperature...

Mcdonnell & Miller PSE802-24 Steam Boiler Low Water Cutoff. Features and Benefits Green power is on indicating LEDRed low water indicating LED30 second DOMTest buttonSelf-Cleaning probeNo lock out with loss of power if probe is in waterProvisions to add water feeder of alarmModels available with:120 VAC24 VAC (meets ANSIZ21.13a specification)“U” probe (extended barrel)“FIX2” probe (remote) ...

Mcdonnell & Miller PSE801-120 120Volt Manual Reset Steam Boiler Low Water Cutoff.The Series PSE-800 probe type LWCO uses patented technology to monitor changes in water conductivity. When defined parameters are exceeded the new PSE-800 makes a decision to shut the burner off based on the volatility/variability of the resistance readings. This new patented technology provides the best protection possible without turning off the boiler unless a low water condition exists. As an added...

Mcdonnell & Miller WFE-120 120volt Steam Boiler Water Feeder 169560 Features and Benefits Field-adjustable dwell-feed cyclesMulti-color LED status indicatorManual feed buttonHard-stop limit to minimize chances of flooding the boilerCompatible with all electronic & mechanicalLow Water Cut-OffsIncludes adapters for connection to 1/2” copper tubingRemovable strainer (replace after cleaning)Maximum water pressure 150 psi (10.5 kg/cm2)Maximum boiler pressure 15 psi (1 kg/cm2)Maximum water...