The Esi Controls Hard Wired Metal Actuator Head For 2 Port Zone Valves is a simple to fit replacement for other popluar brands. Supplied with two screws to allow the heads to be fitted onto other popular manufactuers bodies and a manual lever for filling/draining the system saving time and money during system maintenance.
Quiet operation and minimum power usage helps save energy costs and the industry standard wiring allows quick and simple replacement for other popular brands.

Designed to suit both 22mm and 28mm 2 port zone valves and fit directly onto the valve body used by other brands. 

Suitable for use in domestic and light commercial heating applications .