
Product Information
The Harvia Xenio CX30C-U3-XW is a Wi-Fi–enabled digital control system for three-phase Harvia Virta
Combi heaters up to 17 kW.
Its slim touchscreen panel manages temperature, humidity, lighting, fan, and scheduling, while the
included power unit and sensors deliver precise real-time feedback.
Remote access through the Harvia app lets you start, stop, and monitor your sauna from anywhere.


Product Features
The Xenio CX30C-U3-XW blends modern connectivity with fine-tuned climate control, giving users intuitive operation, remote scheduling, and reliable safety protections for luxurious sauna sessions.

Harvia Xenio CX30C-U3-XW
Wi-Fi Integration:
Control heat, steam, and ambience remotely via Harvia mobile app or smart assistants.
Independent Climate Zones:
Separate heater and steamer channels balance temperature with humidity for perfect löyly.
Programmable Scheduling:
Delay timer lets you pre-set sauna start times up to twelve hours ahead.
Safety Safeguards:
Overheat cutoff, child lock, and fault alerts protect users and equipment.
Auxiliary Controls:
Built-in relays operate sauna lighting and ventilation fans for full-room management.
Compact Wall Mount:
Low-profile panel and separate contactor box install neatly inside or outside sauna.
Additional Features
Remote monitoring, precise humidity feedback, multi-phase flexibility, and smart safety create an effortless premium sauna experience.

Smart Wi-Fi Panel
Touch interface pairs with app for remote control and status updates.

Humidity Regulation
Sensor-driven feedback adjusts steam to maintain desired rH level.

Child Lock
Disables buttons to prevent accidental or unauthorized changes.

12-Hour Scheduler
Plan sessions ahead for convenient, energy-efficient operation.
About Harvia
Harvia is a globally recognized Finnish brand known for its premium sauna heaters, control systems, and wellness solutions.
Founded in 1950, Harvia blends traditional sauna culture with modern technology, offering reliable, high-performance products.
Renowned for durability, efficiency, and elegant design, Harvia continues to lead the industry in crafting exceptional sauna experiences for homes and commercial spaces worldwide.


Why Choose Us?
Choose Peak Primal Wellness for a personalized, community-driven approach to health. We prioritize your well-being with high-quality products, tailored solutions, and 24/7 support.
As a family-owned business, we build lasting relationships, offering authentic, effective solutions to help you achieve your wellness goals.
Join our thriving community and embark on a journey toward optimal health with passionate professionals who genuinely care. At Peak Primal Wellness, you're not just a customer—you're family.

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Specifications
Brand | Harvia |
Model | Xenio CX30C-U3-XW |
Power Supply | 208–240 V, 3-phase |
Max Load | 17 kW |
Temperature Range | 104–194 °F (40–90 °C) |
Humidity Range | 20–95 % RH |
Delay Timer | 0–12 hours |
Panel Size | 3.4″ W × 1″ D × 4.4″ H |
Certification | ETL-listed |
Warranty | 1-year full / 5-year service |
Warranty & Returns
Return Policy
To request a return or refund, customers can use our contact form, email (info@peakprimalwellness.com) , or phone - (877) 689-4898. Once the product is inspected and confirmed to be in brand new condition, we will initiate the refund, which typically takes 5-7 business days to post back to the original payment method. Refunds can be applied via the customer’s preferred method, including card or bank transfer. Shipping instructions and the return address will be provided upon contacting customer service. Please include photos if the product arrives damaged. Click here to view our complete return policy for more details.
Shipping Policy
Customers may contact us by phone or email anytime to inquire about the status of their order. While we may not always have a tracking link available before the order ships, we are happy to check its current status for you. If an item is never received, please contact us immediately. We will promptly file a claim on your behalf and ship a replacement to ensure you receive your product as soon as possible. Click here to view our complete Shipping policy for more details.
Frequently Asked Questions
What size sauna heaters can it control?

The CX30C-U3-XW manages three-phase Combi heaters up to 17 kW, covering most medium and large residential saunas.
Can I adjust humidity separately from temperature?

Yes. Independent steam control lets you raise or lower humidity without changing the heat level.
How does the Wi-Fi app work?

Pair the panel with the Harvia mobile app to start, stop, schedule, and monitor temperature and humidity from anywhere.
What safety features are included?

The system provides overheat shutdown, sensor fault alerts, and a child lock to prevent unintended adjustments.
Can I control lights and fans?

Yes. Aux relays allow you to switch sauna lighting and ventilation fans directly from the panel or app.
Where should the panel be installed?

Mount the touchscreen outside the sauna or in a protected dry area; the power unit stays in an accessible, ventilated location.
What wiring is required?

A dedicated 208–240 V three-phase circuit sized for your heater load, plus low-voltage signal lines for sensors and panel.