online store

FAST & FREE U.S. SHIPPING - exclusions apply*

Search
Free US Shipping*
Price Match Guarantee
White Glove Customer Service
Easy Returns
Shopping Cart (0)
Your cart has been reserved for minutes.

There are no items in your cart.

Continue Shopping
FREE U.S. SHIPPING

HUUM UKU Extension Box

Enhance Wellness: Elevate every sauna session with the HUUM Extension Box.

Sleek Luxury: Add sophistication with its light grey, wall-mounted design.

European Craftsmanship: Designed and made in Estonia for top-notch quality.

SGS Listed Safety: Enjoy worry-free sauna experiences.

NEED HELP? Text or Call: (984) 777-9825

Klarna
×

BUY NOW. PAY LATER

Pay in 4 interest-free installments


DETAILS

Installments By Afterpay

Shop Pay offers you the option to pay in full at checkout, or to split your purchase into regular payments with Shop Pay Installments, both online and in-store. Installment options vary by store and can be used on orders over USD 50, including discounts, shipping, and taxes. You must be over the age of 18, reside in the US, and be paid in USD to use Shop Pay Installments. Your credit scores aren't impacted if your purchase is split into 4 bi-weekly payments using Shop Pay Installments. If your purchase is split into monthly payments, then your payments may be reported to a credit bureau. Note: To use Shop Pay Installments you need a US shipping address.

Installments By ShopPay

Please note that a higher initial payment may be required for some purchases. Pay later in 4 installments complete Terms. For CA residents loans made or arranged pursuant to a California Finance Lenders Law license.

Apply for Commercial Financing

CAN'T FIND ADD-ONS OR ACCESSORIES? Text or Call: (984) 777-9825

DESCRIPTION

Maximize Your Sauna Experience with the HUUM Extension Box

Essential Upgrade: Elevate your sauna sessions with the HUUM Extension Box, a must-have for anyone using UKU Controls. Designed specifically for HUUM heaters over 12kW, this extension box ensures your sauna heats efficiently and reliably.

Sleek Design: With its light grey, wall-mounted design, the HUUM Extension Box blends seamlessly into any sauna environment. Not only does it enhance functionality, but it also adds a touch of sophistication to your space.

Quality Craftsmanship: Proudly designed, engineered, and made in Estonia, this extension box represents the pinnacle of European quality and innovation. Its compact dimensions (7" W x 4" D x 10" H) ensure a perfect fit in any setup.

Safety First: The HUUM Extension Box is SGS Listed, meeting the highest standards of safety and performance. Rest easy knowing your sauna experience is not only luxurious but also secure.

Peace of Mind: Enjoy the tranquility of your sauna for years to come with a limited 5-year warranty (excluding elements). Our commitment to durability and customer satisfaction is unwavering.

Upgrade your sauna with the HUUM Extension Box today and transform your wellness routine into a luxurious escape, guaranteed by unparalleled quality and safety.

SPECS

Product Includes:

  • Extension box
  • Installation and operation manual
  • 5-Year limited warranty

Specifications:

  • Model: UKU Ext Box
  • Voltage: 240
  • Circuit Breaker Amperage: 2 x 63
  • Weight: 3.25 lbs
  • Width: 7" (178mm)
  • Depth: 4" (101mm)
  • Height: 10" (254mm)
  • Product Manual
MANUFACTURER SHIPPING | RETURNS | WARRANTY

Shipping

Free shipping within the 48 states across the USA. Shipping lead times may vary. Please contact us for more information.

Many sauna and steam items are not designed for shipping within the US, so we take every precaution to ensure that your orders arrive undamaged. We have developed enhanced packaging solutions to mitigate damage in transit. If a product appears to be damaged upon arrival, you should refuse receipt, or sign “Subject to concealed damage”.

Returns

The manufacturer only accepts returns of new and uninstalled items within 30 days of purchase. Please contact info@thrillseekergear.com to begin the returns process. Before sending anything back, please email us to obtain a Return Authorization (RA) number. If the return is required due to damage, please include pictures, and whether the shipping damage was noted upon signing for the delivery. The manufacturer covers the shipping costs for returns due to shipping damage or a manufacturer error.

If you simply want to return the product, a restocking fee and return shipping will be the responsibility of the customer. We strongly recommend that items are shipped back are insured using the same method it was shipped out - Ground or LTL. Once the product comes back to the manufacturer, it is inspected for damage. If there is no damage, you will be issued a credit for the full amount that you paid, less restocking fees + and shipping fees. If the product is damaged, you will be notified to issue a claim with your shipper.

Warranty

Click here for Warranty Information

Maximize Your Sauna Experience with the HUUM Extension Box

Essential Upgrade: Elevate your sauna sessions with the HUUM Extension Box, a must-have for anyone using UKU Controls. Designed specifically for HUUM heaters over 12kW, this extension box ensures your sauna heats efficiently and reliably.

Sleek Design: With its light grey, wall-mounted design, the HUUM Extension Box blends seamlessly into any sauna environment. Not only does it enhance functionality, but it also adds a touch of sophistication to your space.

Quality Craftsmanship: Proudly designed, engineered, and made in Estonia, this extension box represents the pinnacle of European quality and innovation. Its compact dimensions (7" W x 4" D x 10" H) ensure a perfect fit in any setup.

Safety First: The HUUM Extension Box is SGS Listed, meeting the highest standards of safety and performance. Rest easy knowing your sauna experience is not only luxurious but also secure.

Peace of Mind: Enjoy the tranquility of your sauna for years to come with a limited 5-year warranty (excluding elements). Our commitment to durability and customer satisfaction is unwavering.

Upgrade your sauna with the HUUM Extension Box today and transform your wellness routine into a luxurious escape, guaranteed by unparalleled quality and safety.

Product Includes:

  • Extension box
  • Installation and operation manual
  • 5-Year limited warranty

Specifications:

  • Model: UKU Ext Box
  • Voltage: 240
  • Circuit Breaker Amperage: 2 x 63
  • Weight: 3.25 lbs
  • Width: 7" (178mm)
  • Depth: 4" (101mm)
  • Height: 10" (254mm)
  • Product Manual

Shipping

Free shipping within the 48 states across the USA. Shipping lead times may vary. Please contact us for more information.

Many sauna and steam items are not designed for shipping within the US, so we take every precaution to ensure that your orders arrive undamaged. We have developed enhanced packaging solutions to mitigate damage in transit. If a product appears to be damaged upon arrival, you should refuse receipt, or sign “Subject to concealed damage”.

Returns

The manufacturer only accepts returns of new and uninstalled items within 30 days of purchase. Please contact info@thrillseekergear.com to begin the returns process. Before sending anything back, please email us to obtain a Return Authorization (RA) number. If the return is required due to damage, please include pictures, and whether the shipping damage was noted upon signing for the delivery. The manufacturer covers the shipping costs for returns due to shipping damage or a manufacturer error.

If you simply want to return the product, a restocking fee and return shipping will be the responsibility of the customer. We strongly recommend that items are shipped back are insured using the same method it was shipped out - Ground or LTL. Once the product comes back to the manufacturer, it is inspected for damage. If there is no damage, you will be issued a credit for the full amount that you paid, less restocking fees + and shipping fees. If the product is damaged, you will be notified to issue a claim with your shipper.

Warranty

Click here for Warranty Information

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)

Search