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Harvia

Harvia Control Unit Fenix FX45 208V/240V WiFi Core 11/15 kW | FX45-U1-U3-XC

SKU FX45-U1-U3-XC
$1,551.00
$1,551.00

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SHIPPING & DELIVERY — HARVIA

Most in-stock Harvia heaters, controls, accessories, sauna stones, and other standard products are typically prepared for shipment within approximately 2–7 business days. Availability and timing may vary by product, destination, and fulfillment method.

Once shipped, standard ground delivery for most heaters, controls, stones, and accessories generally takes approximately 3–5 additional business days within the contiguous U.S., depending on destination and carrier routing. Oversized or freight-shipped Harvia products may require additional transit time and delivery coordination.

Harvia sauna cabins and larger specialty products have model-specific lead times. Some models are stocked and ready for fulfillment, while others may require up to approximately 12 weeks. Freight and oversized deliveries may also require additional transit time and delivery coordination.

Once your order is underway, we’ll keep you informed with available shipping and tracking updates. Have a delivery question or working toward a particular project date? We’re happy to help at support@betweenliving.com.

View our full Shipping Policy →

Product Description

Smart Sauna Control with AI Learning and Expanded Power Capability

The Harvia Fenix FX45 sauna control unit combines intelligent technology with a modern touchscreen interface to deliver a connected and personalized sauna experience. Featuring a premium 4.3-inch glass display with MyHarvia compatibility, the Fenix allows users to manage sauna heater operation, lighting, and ventilation through an intuitive system designed for convenience and flexibility.

Built with AI-supported functionality, the Fenix continuously learns heater performance patterns and adapts operation over time for an optimized experience. Its versatile installation design allows the control panel to be surface-mounted or embedded and installed in a sauna room, bathroom, or adjacent living space.

Compatible with MyHarvia remote control functionality, the FX45 combines advanced control features with flexible installation and expanded heater capacity support.

Key Features

  • 4.3-Inch Touchscreen Display: Premium glass control panel with a clean and modern interface.

  • AI Learning Technology: Continuously adapts to heater performance for an improved user experience.

  • Remote Control Compatibility: Supports operation through MyHarvia app and WebPortal access.

  • Multi-Function Control Capability: Controls sauna heater operation, lighting, and ventilation systems.

  • Flexible Installation Options: Supports surface mounting or embedded installation.

  • Sauna Environment Ready: Temperature and moisture-resistant construction allows installation inside sauna spaces.

  • Modern User Interface: Matches the appearance and experience of the MyHarvia mobile platform.

  • Expandable System Support: Compatible with additional power expansion units when required.

Specifications

Model: FX45 / Harvia Fenix
Product Type: Sauna Control Unit
Display Size: 4.3" Touchscreen
Display Material: Glass Screen Panel
Installation Type: Surface Mounted or Embedded
Remote Access: MyHarvia App and WebPortal Compatible
Remote Upgrade Requirement: MyHarvia Control Upgrade License Required
Maximum Output: 11kW at 240V 1N~
Maximum Output (Extended): 15kW at 208V 3N~
Expansion Compatibility: LTY45 Power Unit Compatible
Functions Supported: Heater, Lighting, Ventilation Control

User Manual

Brochure

 


 

➡️ EXPLORE ALL FENIX CONTROLS HERE  ⬅️

Compatibility before connection Not sure this is the right piece? Ask away. We can help you check heater compatibility, control requirements and what belongs in the system.

Controls can depend on the exact heater model, electrical configuration and accessories being used. If you are unsure whether this control belongs with your heater, send us the heater name or link.

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Harvia product: Harvia Control Unit Fenix FX45 208V/240V WiFi Core 11/15 kW | FX45-U1-U3-XC
Final electrical connection, wiring and code requirements should be confirmed using Harvia documentation and the appropriate licensed electrical professional.
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