Designed for field replacement of heads for 2-port motorised valves. This positive head can be used to replace the removable valve heads without any system drainage. Straightforward installation using only 2 screws and 2 locating pegs to connect the heads...

Honeywell replacement motor for the V4043 series 3-port motorised valve. Can be replaced without draining down. Spring-Return Action 5-Wire Installation Manual Override Facility No Need to Drain Down 2-Wire Connection Polarity-Free Insulated Screw

22mm compression connection. 5-wire installation. Spring-Return Action Uni-Directional Valve Body 5-Wire Installation 5 to 88°C Flow Temperature Manual Lever for Filling or Draining Down Cable Length: 1m Off: 6 Seconds under Spring Return