1 / 10 UKU Extension Box Required for Heaters 12kW and up
- Free shippingUS, Canada & Europe
- 14-day returnsRefunds within 30 days
- Pay by invoiceBank transfer, 3 days to pay
- WarrantyCovered by the manufacturer
Estimated delivery . Shipping · Returns · Warranty
Questions? Talk to a sauna specialist: +1 (408) 320-0181About this product
Enhance your electric sauna setup with this essential power extension box, required for high-capacity heaters rated 12kW and above. This unit safely expands your control system capacity up to 18kW for a consistent, reliable wellness experience.
When upgrading to a high-performance electric sauna heater rated at 12kW or above, ensuring your control system can handle the increased power demand is vital. This professional-grade extension box is the critical component required to expand your current control system capacity up to 18kW. Designed for residential and commercial wellness spaces, this unit integrates seamlessly with your existing sauna controller to provide consistent, stable power management for high-capacity heating elements. Whether you are installing a new powerful electric sauna or retrofitting a large home wellness room, this extension box provides the necessary power infrastructure for superior performance and safety.
Reliable Power Management for High-Output Heaters
Designed to provide robust power handling, this extension box acts as a secure bridge between your main control interface and your high-output heater. By effectively distributing the electrical load, it protects your hardware while ensuring your sauna reaches the desired temperature efficiently and safely. It is built with high-quality components and durable materials, reflecting a focus on longevity and consistent operation within the high-temperature environment of a luxury electric sauna.
Key Features and Compatibility
- Required for electric sauna heaters rated 12kW and above
- Expands total control system power capacity up to 18kW
- Fully compatible with both WiFi and local control systems
- Engineered for safe, stable, and reliable power distribution
- Simple installation process alongside the main sauna control unit
- Durable construction with high-quality electronics and protective casing
We provide free standard shipping on all products to the contiguous United States. Orders typically ship within 1 to 3 business days, and you will receive a tracking number as soon as your package is dispatched. This unit is backed by a manufacturer limited warranty to ensure your complete peace of mind. Complete your high-performance electric sauna installation today by ordering this essential power extension unit.
Specifications
| Compatible With | UKU WiFi and UKU Local Control Systems |
|---|---|
| Required For | Heaters 12kW and above |
| Expands Capacity To | Up to 18kW |
| Material | Plastic / Electronics |
Shipping, payment & returns
- 1Place your orderChoose bank transfer at checkout. Your invoice and bank details appear instantly and are emailed to you.
- 2Pay within 3 daysACH or domestic wire in the US, international wire in USD or another currency. Unpaid orders cancel automatically.
- 3We process and shipProcessing takes 1–5 business days after payment, then delivery takes 7–12 business days. Shipping is free.
Import duties, VAT and customs fees outside the US, where applicable, are the recipient’s responsibility. Return requests within 14 days of delivery; approved refunds within 30 days. Optional shipping protection ($99) is available at checkout. See the shipping and return policies.
