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HUUM UKU Extension Box
  • HUUM UKU Extension Box
  • HUUM UKU Extension Box
  • HUUM UKU Extension Box
HUUM UKU Extension Box

HUUM UKU Extension Box

$1,082.00 CAD
Shipping calculated at checkout.
DESCRIPTION

UKU Extension Box for heaters over 11 kW

The UKU Extension Box lets a HUUM UKU control system run heaters above 11 kW — up to 18 kW — in North America. It is required for the HUUM HIVE 12, HIVE 15 and HIVE 18. Install it outside the sauna room, near the UKU main module; HUUM specifies that the main module and the extension box must be on separate circuit breakers.

UKU control sold separately.
SPECIFICATIONS

Model: UKU Extension Box

Voltage: 240 V 2~, 60 Hz

Rating: 2 × 63 A

Protection: IPX4

Weight: 3.25 lbs (1.5 kg)

Dimensions: 3.9" × 9.8" × 6.7" (100 × 250 × 170 mm)
FEATURES
  • For use with UKU Wi-Fi and UKU Local controls
  • Required for HUUM heaters over 11 kW (up to 18 kW), e.g. HIVE 12, 15 and 18
  • 240 V 2~, 60 Hz, rated 2 × 63 A
  • IPX4
  • Light Grey
  • Wall-mounted outside the sauna room, near the UKU main module
  • Main module and extension box on separate circuit breakers
  • Designed, engineered, and made in Estonia
  • Dimensions: 3.9" × 9.8" × 6.7" (100 × 250 × 170 mm)
  • Limited 3-year residential warranty and limited 1-year commercial warranty
WHAT'S INCLUDED
  • Extension box
  • Installation and operation manual
  • 3-Year Limited Residential Warranty and 1-Year Limited Commercial Warranty
SHIPPING
DOCUMENTS

Where Ancient Wellness Ritual Meets Modern Canadian Life

For over 2,000 years, Nordic cultures have embraced sauna as essential to daily wellness—not luxury, but necessity. A practice so fundamental that Finnish families prioritize sauna over modern conveniences. This isn't about trends or fleeting wellness fads. It's about connecting with an ancient ritual proven through millennia: heat therapy that detoxifies your body, quiets your racing mind, and reminds you that true wellness requires slowing down. Every session is a small act of self-respect—20 minutes where the outside world waits, where your only job is to breathe, sweat, and reset. This is how cultures that consistently rank among the world's happiest approach wellness. Not complicated. Not expensive once you own it. Just essential.

Ancient wisdom. Daily practice. Modern convenience.

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