| Voltage: | 24V |
|---|---|
| Power Consumption: | 3W |
| Type: | Actuator |

The actuator would function upside down, however the 656304 would be a better choice as it is water tight and would be protected from any possible leaks or drips.
The auxiliary switch has an additional two wires to be used as an end switch, typically turning on the boiler or a circulator pump.