Description for Mcdonnell & Miller 176293
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
20,000 ohms sensitivity