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  • For commercial or industrial applications
  • Primary or secondary control on hot water boilers
  • Secondary control (manual reset models only) on steam boilers
  • Manual reset models meet the requirements of ASME Standard CSD-1. If the control is in a low water condition when there is an interruption of power, the control will remain in a low water condition when power is restored. The reset button will need to be pressed when the water level is restored to a level above the probe to allow the burner to fire.
  • Green LED power indicating light
  • Red LED low water indicating light
  • Test switch
  • 20,000 ohms sensitivity
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Steam Boilers
Hot Water Boilers
Reset Type:
Max Ambient Temp (°F):
20000 ohms
Electrical Ratings (AFL):
7.2 A @ 120 VAC
3.75 A @ 240 VAC
Electrical Ratings (ALR):
43.2 A @ 120 VAC
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