Zone Valves

Motor open, Spring return action Manual lever for filling and draining the system Powerhead replaceable without draining down Quiet operation, ...

The ESI 2 Port 22mm Zone Valve provides reliable motorised control for central heating systems. Designed for professional heating engineers and plu...

Designed to suit both 22mm and 28mm 2 port zone valves and fit directly onto the valve body used by other brands. Supplied with two screws making i...

Professional 3-port motorised mid-position zone valve with brass body and steel actuator head for reliable heating system control. Connection size:...