If you ever purchased a sauna kit, then the one person you need to call is Vadim Zadara.
W. M., San Jose · Google review
We had an outdoor prefab sauna assembled at our home and couldn’t be happier with the result!
Jay Y., Foster City · Google review
Harvia
Harvia Fenix FX30C-U3-XC Digital WiFi Control for Combi 3-Phase Sauna Heaters
$1,436MSRP $1,595.55Save $159.55
Total$1,436
Shipping is quoted after the order. A sauna moves on a pallet and the price depends on the address. We call you with it before anything ships.
Harvia Fenix FX30C-U3-XC
Digital WiFi Control for Combi 3-Phase Sauna Heaters
Smart Temperature & Humidity Control for True Multi-Climate Sauna Experiences
Experience total control over your sauna’s heat and steam with the Harvia Fenix FX30C-U3-XC, a WiFi-enabled digital control system designed specifically for 3-phase Virta Combi Series sauna heaters. Featuring a stylish glass touchscreen panel and intelligent remote-access functionality, this control unit brings advanced sauna climate management to both residential and commercial environments.
With independent control of the heater and steamer, the FX30C-U3-XC allows you to fine-tune temperature and humidity for a fully personalized experience — from dry sauna heat to gentle steam or anything in between. The modern user interface makes adjustments simple, while WiFi connectivity allows you to monitor and manage your sauna from the MyHarvia mobile app.
Compact and elegant, the control panel installs easily inside or outside the sauna, with both surface and flush-mounting options. Engineered for 3-phase systems up to 10.8 kW, this controller is built for power, reliability, and total convenience.
Features
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Designed for 3-phase Virta Combi Series sauna heaters
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Supports heaters up to 10.8 kW
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Controls heater, steamer, lighting, and ventilation
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Independent temperature & humidity regulation
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WiFi connectivity for remote operation and status monitoring
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Modern glass touchscreen panel with intuitive operation
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Compatible with surface or flush-mounted installation
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Suitable for installation inside or outside the sauna
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Compact size: 3.4"W × 1"D × 4.4"H
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1-year limited warranty (consumer + commercial use)
Includes
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Harvia Fenix FX30C-U3-XC Control Panel
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Temperature Sensor
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Note: If your heater includes a sensor, follow heater manual instructions.
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Humidity Sensor
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Power Unit
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Installation Materials
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Installation & Operation Manual
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1-Year Limited Warranty (Consumer & Commercial)
Specifications
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Model: FX30C-U3-XC
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Maximum Output: 10.8 kW
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Voltage: 208 V
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Phase: 3
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Temperature Range: 104–194°F
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Pre-Set Timer: 0–12 hours
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Dimensions:
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Width: 3.4" (8.6 cm)
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Depth: 1" (2.5 cm)
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Height: 4.4" (11.2 cm)
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Resources
Installation and Operational Manual