Harvia Fenix FX45-U1-U3-XC Digital Control | Wi-Fi | Club, Spirit, Cilindro & Virta Series
Harvia Fenix FX45-U1-U3-XC Wi-Fi Touchscreen Sauna Control
Club, Spirit, Cilindro & Virta Series | Up to 10.8–15 kW | Wi-Fi Remote Access
The Harvia Fenix FX45-U1-U3-XC is a Wi-Fi enabled glass touchscreen sauna digital control system designed for Harvia Club, Spirit, Cilindro, Virta, and Virta Pro Series heaters. It manages temperature, operating time, lighting, and ventilation — from the panel or remotely via Wi-Fi. Supports heater outputs up to 10.8–15 kW (model dependent) and installs surface-mounted or flush-mounted, inside or outside the sauna room.
The FX45-U1-U3-XC is Harvia’s higher-output Fenix controller, covering a wide range of residential and commercial sauna heater configurations. Its glass touchscreen is intuitive in low-light sauna conditions, and built-in Wi-Fi lets you preheat your sauna remotely before you’re ready to step in. Professional installation is recommended to ensure compliance with local electrical codes.
Compatible Sauna Heaters
- Harvia Club Series
- Harvia Spirit Series
- Harvia Cilindro Series
- Harvia Virta Series
- Harvia Virta Pro Series
Compatibility may vary by model and configuration. Refer to your heater’s installation manual to confirm.
Key Features
- Glass touchscreen control panel
- Wi-Fi enabled for remote access and preheat
- Adjustable temperature and operating time settings
- Controls lighting and ventilation fan (if connected)
- Surface-mounted or flush-mounted installation
- Can be installed inside or outside the sauna room
- Supports heater outputs up to 10.8–15 kW (model dependent)
- Designed for residential and commercial sauna applications
Operating Range
- Temperature range: 104°F – 194°F
- Pre-setting time range: 0–12 hours
- Maximum heater output: up to 10.8–15 kW (model dependent)
Specifications
- SKU / Model: FX45-U1-U3-XC
- Compatible Series: Club, Spirit, Cilindro, Virta, Virta Pro
- Max Heater Output: Up to 10.8–15 kW (model dependent)
- Temperature Range: 104°F – 194°F
- Pre-Setting Time: 0–12 hours
- Control Type: Glass touchscreen with Wi-Fi
- Installation: Surface-mounted or flush-mounted
- Placement: Inside or outside sauna room
- Width: 3.4"
- Depth: 1.0"
- Height: 4.4"
What’s Included
- Fenix FX45 control panel
- Power unit
- Temperature sensor
- Data cable
- Installation materials
- Installation and operation manual
Note: If a temperature sensor is supplied with your heater, follow the heater-specific installation instructions.
Shipping & Delivery
This product includes free shipping within the contiguous United States. Ships via standard parcel service. Please inspect your shipment upon delivery and note any visible damage before signing.
Warranty
- 1-Year Limited Manufacturer Warranty (Consumer Use)
- 1-Year Limited Manufacturer Warranty (Commercial Use)
Manuals & Documentation
About Harvia
Harvia is one of the world’s leading sauna and spa companies, founded in Finland in 1950. Known for their engineering precision and Scandinavian design philosophy, Harvia products are trusted by homeowners and professionals worldwide. Every product is designed and manufactured to meet the highest standards of safety, performance, and durability.
Complete Your Sauna Setup
- Harvia Rounded Olivine Sauna Stones, 5–10 cm, 33 lbs — compatible sauna stones
- Harvia AC3000 Split-Face Sauna Stones, 5–10 cm — split-face alternative for richer steam
- Harvia Steel Sauna Accessories Set SA006 — bucket, ladle & thermo-hygrometer
- Harvia Legend Sauna Bucket — black steel with thermo-aspen handle
Disclaimer: This product is a sauna control accessory and is not intended to diagnose, treat, cure, or prevent any medical condition.
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