
Harvia Fenix FX30C-U3-XC Digital Control | Wi-Fi | Combi 3-Phase Sauna Heaters
Harvia Fenix FX30C-U3-XC Wi-Fi Touchscreen Sauna Control for 3-Phase Virta Combi Heaters
The Harvia Fenix FX30C-U3-XC is a Wi-Fi enabled glass touchscreen control unit designed for 3-phase Harvia Virta Combi Series sauna heaters. It gives you independent control over both the sauna heater and steam generator — including temperature, humidity, lighting, and ventilation — from the panel or remotely via Wi-Fi. Supports heater outputs up to 10.8 kW and installs surface-mounted or flush-mounted.
- Authorized Retailer of Harvia
- Manufacturer Warranty Included
- Free Shipping to the Contiguous US
- Secure Checkout
- U.S.-Based Customer Support
Product Overview
The FX30C-U3-XC is built for 3-phase combination sauna environments where both dry heat and steam need to be managed together. Its glass touchscreen interface is intuitive in low-light sauna conditions, and the built-in Wi-Fi lets you preheat your sauna remotely before you’re ready to step in.
Installation is flexible — surface-mounted or flush-mounted — making it compatible with a wide range of sauna wall configurations. Compatible exclusively with 3-phase Harvia Virta Combi Series heaters.
Key Features
- Compatible with Harvia Virta Combi Series sauna heaters
- Designed for 3-phase electrical systems
- Supports heater outputs up to 10.8 kW
- Independent control of sauna heater and steam generator
- Digital temperature and humidity adjustment
- Control of sauna lighting and ventilation fan
- Wi-Fi connectivity for remote access
- Glass touchscreen control interface
- Surface-mounted or flush-mounted installation
What’s Included
- Fenix FX30C control panel
- Temperature sensor
- Humidity sensor
- Power unit
- Installation materials
- Installation and operation manual
Note: If a temperature or humidity sensor is supplied with your sauna heater, installation must follow the heater manufacturer’s instructions.
Specifications
| SKU | FX30C-U3-XC |
| Model | FX30C-U3-XC |
| Compatible Heaters | Harvia Virta Combi Series (3-Phase) |
| Electrical Phase | 3-Phase |
| Maximum Heater Capacity | Up to 10.8 kW |
| Control Type | Glass touchscreen with Wi-Fi |
| Installation | Surface-mounted or flush-mounted |
| Width | 3.4 in. |
| Depth | 1.0 in. |
| Height | 4.4 in. |
Controller Comparison
| Feature | FX30C-U3-XC | FX30C-U1-XC | FX30 / FX45 |
|---|---|---|---|
| Electrical Phase | 3-Phase | Single-Phase | Single / 3-Phase* |
| Wi-Fi Remote Access | Yes | Yes | Yes |
| Touchscreen Interface | Glass Touchscreen | Glass Touchscreen | Glass Touchscreen |
| Steam (Combi) Control | Yes | Yes | No |
| Lighting & Ventilation Control | Yes | Yes | Yes |
| Maximum Heater Output | 10.8 kW | 12.7 kW | Varies by model |
| Best Use Case | 3-Phase Combi Saunas | Single-Phase Combi Saunas | Traditional Sauna Systems |
Warranty
- 1-Year Limited Manufacturer Warranty (Consumer Use)
- 1-Year Limited Manufacturer Warranty (Commercial Use)
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.
About the Brand
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 Wellness Setup
Everything you need to complete your 3-phase Virta Combi sauna setup:
- Harvia Virta Combi Series 10.5kW Sauna Heater (208V / 3PH) — primary compatible 3-phase heater
- Harvia Safety Rail for Virta Combi — directly compatible safety accessory
- Harvia Steel Sauna Accessories Set SA006 — bucket, ladle & thermo-hygrometer
- Harvia Sauna Heater Stones, Rounded Olivine, 5-10cm — compatible sauna stones
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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