| Voltage: | 24V |
|---|---|
| Actuator Type: | General Close-Off |
| Position: | Normally Closed |
| Ratings: | General Temperature |
| Wiring: | Cord Leads |
2 wire
Setting the zone valve to actuator would mean that it opens and closes based on the thermostat's calls for heat. Open would mean that it remains fully open all the time, regardless of temperature change in the zone.