ESi Controls - Central Heating Zone Valves

A range of ESi motorised zone control valves work with the ESi wiring centres. This brand comes with an outstanding 3 year warranty, designed to be used in commercial, industrial and domestic central heating systems which, when correctly wired with an appropriate room thermostat, cylinder thermostat and programmer, will control the water flow from the boiler to hot water, and from the boiler to ‘central heating’.