HUUM UKU Extension Box | Required for HUUM Heaters 12 kW and Up

$773.00
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Required add-on box for HUUM heaters 12 kW and up.

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Good to know before you order

Delivery

Shipping shown at checkout. We call you to schedule delivery before it ships, and you can always ask us for a delivered price.

Installation

Electric heaters should be wired by a licensed electrician. Not sure it fits your sauna? Send us your sauna size and we'll check it.

Warranty

Covered by the manufacturer's warranty. If anything goes wrong, you call us and we handle it with the brand for you.

Ways to pay

Card, PayPal, Affirm or Klarna at checkout.

Description

The HUUM UKU Extension Box adds switching capacity to a UKU controller. HUUM requires it for heaters 12 kW and up, like the HIVE 12, 15 and 18.

Why people pick it

  • Required for HUUM heaters 12 kW and up
  • Works with all UKU controllers

Documents

Not sure which size or control you need? Call or message us with your room size and power, and we will match it for you.

Additional information
Weight3.25 lbs
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About brand
Cedar Sense is a HUUM dealer. Shop HUUM electric sauna heaters like the DROP, HIVE, CLIFF, STEEL and CORE, HIVE wood-burning stoves, UKU Wi-Fi controls and HUUM parts.

Compare before you decide

The closest options above and below this one.

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Complete your setup

What most people add with a new heater.

Common questions

Which heaters need it?

HUUM heaters 12 kW and up, such as the HIVE 12, 15 and 18.

How long until it ships?

Lead times vary by model and season. We confirm the timeline when you order and contact you before it ships.

Will this heater fit my sauna?

Heaters are sized by the volume of the sauna room. Check the room size range in the specs above, or send us your sauna's inside dimensions and we'll confirm the right size.

Do I need an electrician?

Yes. Electric sauna heaters should be wired by a licensed electrician, and most need a dedicated 240V circuit. The exact breaker and wire size are in the specs and manual.

Can I pay over time?

Yes. Choose Affirm or Klarna at checkout to split your order into monthly payments, subject to approval.

What about the warranty?

It's covered by the manufacturer's warranty. You don't have to deal with the brand yourself. Call us and we handle the claim for you.

Still have a question?

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