




Harvia Xenio CX30C-U3-XW Digital Sauna Control with Wi-Fi - Finnish Sauna Builders
Choose options
A Wi-Fi-enabled control unit for compatible Harvia Virta Combi heaters — touch panel interface with independent heater and steamer control, plus remote access via the Harvia app or smart home integration.
Right For You If…
- You have a compatible three-phase (208V) Harvia Virta Combi heater and need its required control unit
- You want remote monitoring and control via smartphone or smart home integration
- You want independent control over both heat and steam functions in the same session
What Makes It Worth It
- Independent heater and steamer control — full customization of temperature and humidity separately
- Wide temperature and humidity range — 104–194°F and 20–95% humidity control
- Wi-Fi connectivity — remote monitoring and adjustment via the Harvia app, with Google Home and Amazon Alexa compatibility
- Timer, lighting, and fan control — fully customizable session settings
- Flexible installation — wall-mounted or surface-embedded, installable in the sauna, dressing area, or elsewhere
- Built-in safety features — overheat protection and child lock
Specs at a Glance
| Manufacturer | Harvia |
|---|---|
| Model | Xenio CX30C-U3-XW |
| Compatible heaters | Harvia Virta Combi Series — 208V three-phase only |
| Maximum output supported | 10 kW |
| Power supply | 208V, three-phase |
| Temperature range | 104–194°F |
| Humidity range | 20–95% |
| Timer | 0–12 hour pre-set delay |
| Control panel dimensions | 3.4"W x 1.0"D x 4.4"H |
| Power unit dimensions | 14.3"W x 2.9"D x 10.5"H |
| Warranty | 1 year full, 5 years service |
| Included | Control panel, humidity sensor, power unit, temperature sensor, installation manual |
Important: this control unit is compatible with 208V three-phase Virta Combi heaters only — it is not compatible with single-phase heaters. Installation should be performed by a licensed electrician. Confirm compatibility with your specific heater model before ordering.
Resources:
