Harvia Fenix FX45 Sauna Control Unit
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The Harvia Fenix FX45 is a Wi-Fi digital sauna control unit for Harvia heaters up to 17 kW, supplied for 240V single-phase or 208V three-phase. The panel mounts outside the hot room. It is sold separately from the heater and is required for heaters supplied without built-in controls.
The Fenix FX45 carries the same load rating as the Xenio CX45 — 10.8 kW on one 240V supply wire, 17 kW on two, 15 kW at 208V three-phase — and is the control Harvia lists for the Virta Pro range.
| Harvia Part Number | FX45-U1-U3-XC |
| Maximum Load | 10.8 kW on one 240V supply wire; 17 kW on two 240V supply wires; 15 kW on 208V three-phase |
| Voltage | 240/208 |
| Phase | 1/3 |
| Temperature Range | 194°F |
| Maximum Session Time | 60 MINUTES |
| Mountable Inside the Sauna | NO |
| Hardwired | YES |
| Color / Finish | Black |
| Material | Plastic |
| Dimensions | 3.4"W (86mm) x 1"D (25mm)x 4.4"H (111mm) |
| Weight | 7 lbs |
| Installation | Wall-Mount |
| Certification | ETL |
| Warranty | 2 years (consumer use, +1 year if registered with Harvia); 2 years (commercial use) |
| Ships | Parcel |
| Made In | Finland |
Harvia lists the Fenix FX45 as the control unit for these heaters.
Virta ProHeaters with controls built into the body — Harvia KIP-B, The Wall, Vega Compact and the Cilindro PC range — do not take a separate control unit.
Harvia lists it for the Virta Pro series. Heaters with controls built into the body do not take a separate control unit.
No. This panel mounts outside the hot room. Only the temperature sensor goes inside, on the wall above the heater.
Yes. The power unit is hardwired between the supply and the heater, and the sensor and data cable have to be run to the manual's specification. In most US jurisdictions that is work a licensed electrician has to do and an inspector signs off.
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The Harvia Fenix FX45 is a Wi-Fi digital sauna control unit for Harvia heaters up to 17 kW, supplied for 240V single-phase or 208V three-phase. The panel mounts outside the hot room. It is sold separately from the heater and is required for heaters supplied without built-in controls.
The Fenix FX45 carries the same load rating as the Xenio CX45 — 10.8 kW on one 240V supply wire, 17 kW on two, 15 kW at 208V three-phase — and is the control Harvia lists for the Virta Pro range.
| Harvia Part Number | FX45-U1-U3-XC |
| Maximum Load | 10.8 kW on one 240V supply wire; 17 kW on two 240V supply wires; 15 kW on 208V three-phase |
| Voltage | 240/208 |
| Phase | 1/3 |
| Temperature Range | 194°F |
| Maximum Session Time | 60 MINUTES |
| Mountable Inside the Sauna | NO |
| Hardwired | YES |
| Color / Finish | Black |
| Material | Plastic |
| Dimensions | 3.4"W (86mm) x 1"D (25mm)x 4.4"H (111mm) |
| Weight | 7 lbs |
| Installation | Wall-Mount |
| Certification | ETL |
| Warranty | 2 years (consumer use, +1 year if registered with Harvia); 2 years (commercial use) |
| Ships | Parcel |
| Made In | Finland |
Harvia lists the Fenix FX45 as the control unit for these heaters.
Virta ProHeaters with controls built into the body — Harvia KIP-B, The Wall, Vega Compact and the Cilindro PC range — do not take a separate control unit.
Harvia lists it for the Virta Pro series. Heaters with controls built into the body do not take a separate control unit.
No. This panel mounts outside the hot room. Only the temperature sensor goes inside, on the wall above the heater.
Yes. The power unit is hardwired between the supply and the heater, and the sensor and data cable have to be run to the manual's specification. In most US jurisdictions that is work a licensed electrician has to do and an inspector signs off.