479 East 186th Street Bronx, N.Y.  10458

Monday - Friday 7am-5pm  Saturday 8am-3pm

Price: $180.00

    Item #: MCM153827
    Availability: In stock
    Usually ships In 1-2 Business days
    In stock Quantity: 4

    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 condition when the sensitivity threshold is exceeded.

    Features and Benefits

    • Green power is 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
    • Models available with:
    • 120 VAC
    • 24 VAC (meets ANSIZ21.13a specification)
    • “U” probe (extended barrel)
    • “FIX2” probe (remote)

    How to Buy

    McDonnell & Miller

    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.

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    Mcdonnell & Miller 120volt Steam Boiler Low Water Cutoff.