The Harvia Fenix FX45-U1-U3-XC Sauna Control Unit is a premium Wi-Fi–enabled sauna controller designed for intuitive and precise management of your sauna experience. Easily control temperature, lighting, and operating time from a smartphone, tablet, or directly via the sleek touchscreen interface.
Combining modern Scandinavian design with seamless wireless connectivity, the Harvia Fenix FX45 delivers exceptional convenience, flexibility, and reliability—making it an ideal control solution for advanced home saunas and luxury wellness spaces.
• Controls the sauna heater, lighting, and ventilation
• Intelligent user interface that is precise and easy
• High-quality glass screen control panel
• Learns with AI and adapts to the performance of your sauna heater
• Wi-fi connectivity for remote control and monitoring
• Control panel operating temperature range from 104-194°F
• Surface of flush-mounted installation
• Installs inside or outside the sauna room
• Dimensions: 3.4"W (8.6 cm) x 1"D (2.5 cm) x 4.4"H (11.2 cm)
• Limited 1-year warranty (consumer use) and limited 1-year warranty (commercial use)
• Control
• Temperature Sensor
o Please Note: If the sensor comes with the heater, you must install per the instructions in the heater manual.
• Power Unit
• Data Cable
• Installation Materials
• Installation and Operation Manual
• 1-Year Limited Warranty (Consumer Use) and 1-Year Limited Warranty (Commercial Use)
| Model | FX45-U1-U3-XC |
|---|---|
| Maximum Output Kilowatt Rating | 10.8/15kW |
| Voltage | 240/208 |
| Phase | 1/3 |
| Temperature Adjustment Range | 104-194°F |
| Pre-Setting Time Adjustment Range | 0-12 Hours |
| Width | 3.4" (8.6 cm) |
| Depth | 1" (2.5 cm) |
| Height | 4.4" (11.2 cm) |