ESi 3 Port Zone Valve 22mm ESZV223LM.Esi Mid Position 22mm Valve ESZV223LM. Features:
- A direct replacement for the market leader
- Quiet operation, minimum power usage
- Replacement actuator head and motor available and easy to exchange
- Spring return action
- Manual lever for filling/draining the system
- Complete with detachable lead
- Quick and easy to install
