Mcdonnell & Miller 750-MT-120, GuardDog Electronic Manual Reset Low Water Cutoff (Water)

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