10. Zone valves
Z-SF25-2M1-1" - without electrical energy - closed - Code: P0384
O-SF25-2M1-1" - without electrical energy - open - Code: P0385

Serve for opening and closing parts of the heating circulation, for example, during an electrical power outage (by-pass of the pump and thermal valve) and a switch during the connection of two different types of boilers beside each other (wood and gas boilers).
The valve is equipped with an additional electrical contact for switching to, for example, a gas boiler once solid fuel has burnt out in the solid fuel boiler.
Zone valve with switcher (non electric closed)
| Code | size |
|---|---|
| P0384 | 1“ Z-SF25-2MI |
Zone valve with switcher (non electric opened)
| Code | size |
|---|---|
| P0385 | 1“ O-SF25-2MI |


