Hydrolevel produces a variety of controls for residential and commercial hot water boilers. Today, Hydrolevel’s product line includes state-of-the-art steam controls, including the programmable VXT Water Feeder, the revolutionary CycleGard foam-compensating cut-off, 1100 Series Mini controls and 500 Series cut-offs for commercial boilers. The new Fuel Smart HydroStat control performs as a low water cut-off, as well as a temperature limit control and boiler temperature reset.