CONTROL UNIT HARVIA FENIX FX1804XC UNIVERSAL WIFI CORE 9–29 KW, FX1804XC

Harvia Fenix FX1804XC Universal WiFi Core 9–29 kW (FX1804XC)

Harvia Fenix FX1804XC Universal is a flagship control system for electric saunas with heaters from 9 to 29 kW. The device supports operation in one-, two- and three-phase networks, making it a universal solution for private and commercial facilities. The modern 4,3” touch panel and integration with MyHarvia allow you to control temperature, lighting and ventilation, as well as monitor the sauna operation remotely via a smartphone or computer. The system is available from the beginning of November 2025.

Product Features

• Support for connection in 1-, 2- and 3-phase networks
• Control of light, ventilation and additional accessories
• Compatibility with the MyHarvia app and WebPortal
• Support for remote start scenarios and notifications
• Phone control option is provided with a 3-month trial period
• A one-time license fee of 99 euros after the trial period, which can be shared among all family members

Advantages

• Suitable for very powerful heaters and large rooms
• Flexible installation thanks to universal connection
• Remote control from mobile devices
• Intelligent adaptation of heater operation for stable heating

Technical Specifications

• Power range: 9–29 kW
• Power supply: 1~ / 2~ / 3~ (universal phase support)
• Protection class: IPX3
• Control panel: moisture-proof touch 4,3”
• Included: control unit, power unit up to 29 kW, temperature sensor with overheat protection (4 m), panel cable (5 m), door sensor (3 m)

Application

• Large home saunas
• Commercial saunas, hotels, spa complexes
• Fitness and wellness centers
• Facilities with non-standard connection requirements

Result

• Full control over the climate in the sauna from anywhere in the world
• Versatility and reliability in networks with a different number of phases
• Time savings and stable operation of equipment under high loads

Ideal for

• For owners and operators of large saunas
• For professional installers
• For those who want the most flexible and powerful solution
• For commercial projects where stability and performance are important