The ESI 3 Port Zone Valve 22mm is an efficient replacement for the market leader, suitable for use in all domestic circumstances and some commercial. The carefully selected materials ensure a durable product with a long working life, whilst 5 year warranty gives peace of mind to both the consumer and the installer.
 
A direct replacement for the market leader
Spring return action
Manual lever for filling/draining the system
Replacement actuator head & motor available and easy to exchange
Quiet operation & minimum power usage
Easy to use & quick to install
5 year warranty
1m cable