


Harvia Xenio LTY45 U1 U3 Power Extension Unit up to 38kW
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Overview
The Harvia Xenio LTY45 U1 U3 Power Extension Unit expands the output capacity of your Harvia control system so you can run larger or multiple electric sauna heaters from a single controller. Built in stainless steel for demanding use, it is ideal for commercial facilities or spacious custom saunas that require more than one heater or higher total kilowatt capacity.
Key Features
- Increases total heater load capacity to as much as 38 kW when paired with compatible controls
- Designed to work with Harvia Xenio CX30, CX45, and CX170 control units
- Durable stainless steel enclosure for reliable performance in professional settings
- Wall mount cabinet keeps wiring organized in a single service location
- Compact footprint makes it easy to integrate in existing equipment rooms
Specifications
| Model | LTY45 U1 U3 |
| Product type | Power extension unit for electric sauna heaters |
| Compatible controls | Harvia Xenio CX30 U1 U3, CX45 U1 U3, CX170 |
| Maximum total heater load | Up to 38 kW depending on control unit configuration |
| Supply voltage | 240 V |
| Phase | Single phase |
| Enclosure material | Stainless steel |
| Mounting | Wall mount |
| Dimensions | 14.3 in W x 2.9 in D x 10.5 in H |
| Weight | 6.1 lb |
| Location | Indoor dry equipment area |
| Warranty | One year limited warranty |
Compatibility & Installation
The LTY45 U1 U3 is intended for larger electric saunas that use Harvia Xenio CX30, CX45, or CX170 controls and need additional heater capacity. Typical applications include Virta and Virta Pro heaters installed in large residential, commercial, or multi room facilities.
Mount the enclosure on a solid wall near the main control power unit and route heater circuits according to the Harvia wiring diagrams. All connections must follow local electrical code. Installation, wiring, and commissioning should be performed only by a qualified licensed electrician.
What Is Included
- Harvia Xenio LTY45 U1 U3 power extension unit
- Mounting hardware set
- Installation and operation manual
- One year limited manufacturer warranty










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