Central Heating Controls
A-Z Categories
-
Siemens 2 Port Zone Valve 5 Wire 22mm - CZV222
Ref: HCON336
- Replaceable motor
- Industry standard wiring
- Manual Override Lever
-
Siemens CMV322 3 Port Mid Position Valve - 22mm
Ref: HCON338
- Industry standard wiring (5 wire installation)
- Five wire installation pack included
- 22mm connection
-
Siemens CMV328 3 Port Mid Position Valve 28mm
Ref: HCON339
- Industry standard wiring
- 28mm connection
- Manual lever for flushing
-
Siemens 2 Port Zone Valve 6 Wire 28mm - CZV228
Ref: HCON337
- 28mm size
- Spring return operation
- High performing product