
Harvia Fenix FX30C U3 XC Combi WiFi Control up to 10.8 kW
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The Harvia Fenix FX30C U3 XC is a premium touch screen control panel with WiFi connectivity for Virta Combi three phase sauna heaters up to 10.8 kW. It gives you precise control over temperature, humidity, lighting, and ventilation from a compact black wall mounted panel that looks clean in any modern spa or home sauna.
Key Features
- Designed for Virta Combi three phase sauna heaters up to 10.8 kW output
- Glass front touch screen display with clear numeric readout and easy menu navigation
- WiFi connectivity for remote control and monitoring through supported Harvia solutions
- Controls heater and steamer functions independently for fine tuning sauna climate
- Built in control for sauna lighting and ventilation fan
- Regulates both temperature and humidity for classic or soft steam style sessions
- Flush mounted wall installation with separate power unit for a clean finished look
- Programmable operating time up to 60 minutes with maximum temperature of 194 F
- Compact black plastic panel that suits both residential and commercial sauna rooms
- ETL listed with limited one year warranty for consumer and commercial use
Specifications
| Model | Harvia Fenix FX30C U3 XC |
|---|---|
| Control type | Digital touch screen sauna control with WiFi connectivity |
| Compatible heaters | Harvia Virta Combi three phase electric sauna heaters up to 10.8 kW |
| Maximum heater power | 10.8 kW |
| Supply voltage | 208 V three phase |
| Installation | Wall mounted flush panel with separate power unit |
| Control functions | Heater on and off, steamer on and off, temperature, humidity, lighting, ventilation, timer |
| Maximum session length | Up to 60 minutes |
| Maximum temperature | Up to 194 F |
| Front panel material | Black plastic |
| Panel dimensions | 3.4 in W x 1 in D x 4.4 in H approximately 86 x 25 x 112 mm |
| Panel weight | 0.4 lb |
| Certifications | ETL listed |
| Warranty | Limited one year warranty for consumer use and one year warranty for commercial use |
Compatibility & Installation
- Engineered for Harvia Virta Combi electric sauna heaters that use three phase 208 V power up to 10.8 kW
- Not intended for standard Virta heaters without steam generator or for single phase models
- Control panel mounts on the wall at a convenient viewing height with a low profile flush finish
- Power unit is installed in a dry service location near the heater according to Harvia instructions
- Temperature and humidity sensors are installed in the sauna room for accurate climate control
- All electrical work must be completed by a licensed electrician in accordance with local codes and the Harvia installation manual
What’s Included
- Harvia Fenix FX30C U3 XC control panel
- Temperature sensor
- Humidity sensor
- Power unit
- Required installation materials and wiring harness as supplied by Harvia
- Installation and operation manual
- Limited one year consumer and commercial warranty coverage

Why Choose Sauna Luxuries?
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At Sauna Luxuries, we’re more than just another online store — we’re your dedicated partner in wellness. Every product we offer is carefully selected for quality, performance, and long-term value. As an authorized dealer, we guarantee authentic models, factory warranties, and expert guidance every step of the way. From fast answers to custom recommendations, we make shopping for your perfect sauna effortless.