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HUUM UKU Light Gray Extension Box for Heaters Over 9 kW

HUUM UKU Light Gray Extension Box for Heaters Over 9 kW

Regular price $603.00
Regular price $0.00 Sale price $603.00
Sale Sold out
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The main module can control up to 9kW heaters, for full range electrical heaters extension box is needed.

What's Included

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


  • For use with UKU controls
  • For heaters over 9kW





7" (178 mm)


10" (254 mm)


4" (101 mm)


335 mm (13.2")


7" W (178 mm) x 4" D (101 mm) x 10" H (254 mm)

Volts 240
Amps 2 x 63
Certifications & Listings CE, SGS, IPX4
Mountable Inside Sauna Room? No
Hardwired? No
Installation Type Wall-Mount
Fuel Type / Power Options Yes
Supplier Lead Time 40 days
Sell Package Qty & Uom 1; EA
Ship Type Parcel
Freight Class 70


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  • What an excellent company and excellent products. Just like the old days when companies really cared about their customers, these guys are awesome!!!

    Betty C.

    Warminster, Pennsylvania

  • I was greeting in chat soon after logging into their web. She was genuine and very helpful in getting me the correct items I needed. The communication about shipping and tracking was great as well. My mind was at ease concerning my investment purchase! Thank you!


    San Jose, California

  • I've been extremely imporessed with the service--from the actual humans answeing phone calls to the accurate and prompt follow up, including and unrequested phone call to follow up on my order delivery requests.


    Fairfax County, Virginia

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