

Harvia Xenio CX45-U1-U3-XW WiFi Sauna Control | Up to 10.8 kW | Club, Spirit, Cilindro & Virta
- Authorized Retailer of Harvia
- Full Manufacturer Warranty Included
- Free Shipping to the Contiguous U.S.
- Secure Checkout
- U.S.-Based Customer Support
Up to 10.8 kW | 240V Single-Phase | Club, Spirit, Cilindro & Virta Series | Wi-Fi Remote Access
The Harvia Xenio CX45-U1-U3-XW is a Wi-Fi enabled touchscreen sauna 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 — with support for heater outputs up to 10.8 kW at 240V/1PH. Installs surface-mounted or flush-mounted, inside or outside the sauna room.
The CX45-U1-U3-XW is Harvia’s higher-output Xenio controller, supporting heater systems up to 10.8 kW across the Club, Spirit, Cilindro, Virta, and Virta Pro series. Its touchscreen interface 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.
Note: Sensor placement must follow heater-specific installation instructions. 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
- Touchscreen control panel with Wi-Fi remote access
- Supports heater outputs up to 10.8 kW
- 240V / Single-Phase
- Adjustable temperature and operating time settings
- Controls sauna lighting and ventilation fan (if connected)
- Surface-mounted or flush-mounted installation
- Can be installed inside or outside the sauna room
- 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 kW
What’s Included
- Xenio CX45 touchscreen control panel
- Power unit
- Temperature sensor
- Data cable
- Installation and operation manual
Specifications
- SKU / Model: CX45-U1-U3-XW
- Compatible Series: Club, Spirit, Cilindro, Virta, Virta Pro
- Max Heater Output: Up to 10.8 kW
- Voltage: 240V
- Phase: Single-Phase (1PH)
- Temperature Range: 104°F – 194°F
- Pre-Setting Time: 0–12 hours
- Control Type: Touchscreen with Wi-Fi
- Installation: Surface-mounted or flush-mounted
- Placement: Inside or outside sauna room
- Panel Dimensions: 3.4" W × 1.0" D × 4.4" H (8.6 × 2.5 × 11.2 cm)
Shipping & Delivery
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.
Choose options


Harvia Xenio CX45-U1-U3-XW WiFi Sauna Control | Up to 10.8 kW | Club, Spirit, Cilindro & Virta Review Summary
What people like
Pros
- Intuitive Touch Interface: The digital touch-screen panel is stylish, modern, and easy to use for precise adjustments of sauna settings.
- Remote WiFi Connectivity: Users can conveniently monitor and manage temperature, lighting, and scheduling from anywhere using a smartphone or tablet.
- Flexible Mounting Options: The compact control panel can be surface- or flush-mounted in a variety of locations, including inside or outside the sauna room.
- Comprehensive Control: The system offers all-in-one management for operating time, temperature, lighting, and ventilation fans.
Cons
- Inconsistent WiFi Connection: Some users have reported that the remote connectivity can be unreliable, occasionally requiring signal extenders for saunas located further from the home router.
- Limited App Integration: The mobile application does not support integration with all third-party accessories, such as certain mechanical ventilation systems.
- Setup Complexity: Proper installation requires careful attention to wiring and sensor placement, which may be challenging for those without technical experience.
- Lack of Smart Integrations: The system currently lacks an open interface for deeper integration with broader home automation platforms like Home Assistant.
Powered by OneReview