Last Updates: 08/06/2020

Gems Sensors & Controls Series 26 Low-Water Cutoff Open Board

Designed for boiler low-water cutoff protection. A snap-through standoff mounting device is available for the Series 26. Optional Power Outage feature resets after nuisance outages.  The optional reset button is used when the device has been deactivated because of low-water condition. Reset is functional only if water has returned to normal level. Built-in 3 second time delay is standard. Up to 90 seconds available for increasing and decreasing levels.

Optional Dirty Electrode Detection


  • Low-Water Cutoff 
  • Point Level 
  • Valve Control 
  • Alarms 
  • Pump Control 
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