HUUM UKU Extension Box
HUUM UKU Extension Box

HUUM UKU Extension Box

$773.00 USD
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The HUUM UKU Extension Box is an essential component for larger sauna installations, expanding the capacity of your HUUM UKU Control System to safely operate high-output electric sauna heaters. Designed and manufactured in Estonia, it ensures reliable power management while maintaining the clean, minimalist engineering that defines the HUUM collection.

Required for compatible HUUM sauna heaters exceeding the standard power capacity of the UKU Control System, the Extension Box allows your control system to safely manage larger residential, commercial, and hospitality sauna installations without compromising performance or safety. Installed discreetly alongside the control system, it works quietly behind the scenes, delivering dependable operation for years to come.

Whether you're designing a luxury residential wellness sanctuary or a larger commercial sauna, the UKU Extension Box provides the additional power management required for a seamless sauna experience.

  • Designed for HUUM UKU Control Systems
  • Required for compatible high-output HUUM sauna heaters
  • Wall-mounted design
  • Compact light grey enclosure
  • Supports larger electric sauna installations
  • Premium European engineering
  • Designed and manufactured in Estonia
  • SGS Listed for safety 

Your purchase includes:

  • HUUM UKU Extension Box
  • Installation and operation manual

Model: UKU Ext Box

Voltage: 240V

Circuit Breaker Amperage: 2 × 63A

Width: 7 in (178 mm)

Height: 10 in (254 mm)

Depth: 4 in (101 mm)

Weight: 3.25 lbs

Installation: Wall Mounted

Country of Manufacture: Estonia

SHIPPING & INSTALLATION

Designed as Part of a Complete Sanctuary

To ensure the highest level of quality and coordination, this product is supplied and shipped exclusively with a compatible heater and sauna. This approach helps ensure all components arrive together and are ready for installation.

Professional installation by a qualified electrician is recommended.

Please Note:

  • Designed for use with HUUM UKU Local and UKU Wi-Fi Control Systems
  • Required only for compatible higher-output HUUM sauna heaters
  • Not required for standard residential heater installations
  • Refer to your heater specifications to determine whether an Extension Box is needed.

Key Features

The HUUM UKU Extension Box is backed by HUUM's limited manufacturer warranty against defects in materials and workmanship. Warranty coverage is subject to proper installation and operation in accordance with manufacturer guidelines.

HUUM UKU Extension Box
HUUM UKU Extension Box

Every restorative outdoor space is thoughtfully composed.

Complete Your Sanctuary

Pair this with complementary elements to create a complete wellness experience.

• Luxury outdoor saunas for contrast therapy

• Luxury Cold Plunges & Ice Baths

• Luxury Outdoor Shower for transition between experiences

• Luxury Outdoor Hot Tubs

• Sanctuary Design Services

Shop all Sanctuary Elements

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