The Zehnder RFZ allows residents to manually switch their ventilation system between ventilation levels 1, 2 and 3 or temporarily override the automatic ventilation. You can also activate a boost timer for 10 or 30 minutes. The switch is wireless, small and operates on battery power. It can be easily installed and retrofitted. To use the Zehnder RFZ, you need one of the following products:
- Ventilation units with integrated RF transceiver, or
- ComfoSense
- ComfoSense C.
