UKU Extension Box (Required)

UKU Extension Box (Required)

Regular price $557.00 Sale price$445.60 Save $111.40
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HUUM UKU-EXT-BOX UKU Series 7 Inch Extension Box for Heaters Over 9kW - Light Grey

The main module can control up to 9kW heaters, for full range electrical heaters extension box is needed.


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


  • Voltage: 240
  • Amperes: 2 x 63
  • Weight: 3.25 lbs


  • Length: 7 Inch
  • Width: 7 Inch
  • Height: 6 Inch

if you order a bag, it will need 1-2 business days of processing time and then 10-15 business days of shipping time if you select super saving shipping. Therefore, you can expect to receive it in 12-20 business days.

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