


HUUM UKU Extension Box Required for Heaters 12kW and up
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
HUUM UKU Extension Box Required for Heaters 12kW and upThe main module can control up to 11kW heaters, for full range electrical heaters extension box is needed. Features and Specifications Features: For use with UKU controls For heaters 12kW and up Specifications: WEIGHT 3. 25 lbs (1. 47kg) LENGTH WIDTH 7" (177. 8mm) WIDTH DEPTH 7" (177. 8mm) HEIGHT 6" (152. 4mm) DIMENSIONS 7"W (177. 8mm) x 7"D (177. 8mm) x 6"H (152. 4mm) VOLTS 240 AMPS 2x63 Package Contents Extension box Installation and operation
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- Express: 1-2 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.6 ★★★★★
Based on 201 reviews
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Product Reviews
★★★★★ 5
Already got complements!
Size: 2T, Color: Dark Indigo Wash, Size: 2T, Color: Dark Indigo Wash
Great fit, it’s a little stretchy so perfect for my toddler!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 6, 2026
★★★★★ 5
Soft material
Size: X-Small, Color: Dark Indigo Wash
Looks beautiful and is very soft
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 5, 2026
★★★★★ 5
Soft and lightweight
Size: XX-Large, Color: Light Denim Blue, Size: XX-Large, Color: Light Denim Blue
Great lightweight jacket more like a shacket really. Fits my son nice as well. So soft.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 21, 2026
★★★★★ 4
Thin
Size: XX-Large, Color: Medium Indigo Wash
it's good but very thin.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 26, 2025
★★★★★ 5
Nice jacket!
Size: Large, Color: Dark Indigo Wash
I got this coat for my nephew because he has been begging for a similar one and he loves it! The sizing is dead on and the fabric is a little stuff so size up if you think you'll need to. Great quality, well made!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2026
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