ESi 22 mm 2 Port Motorised Zone Valve

The ESi Controls 2 Port Motorised Zone Valve is easy-fit, with a simple clip on/off detachable actuator head. The spring return valves have been 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.