See All Low Water Cut Offs (LWCO)

Series 750 and 751P/752P Low Water Cut-Offs

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The Series 751P/752P probe type LWCOs provide protection against low water conditions for commercial and industrial applications. These controls are fully CSD-1 compliant and are primarily used as LWCOs on hot water heating boilers.

  • 120V/24V Models available
  • Green LED indicates power On
  • Red LED indicates Low Water
  • Test button
  • Meets requirements of ASME Standards CSD-1
  • No lock out with loss of power if probe is in water
  • 20,000 ohms probe sensitivity