HUUM DROP 4.5kW Sauna Heater Package with UKU Controller & 132 lbs. of Stones
The HUUM DROP 4.5kW Sauna Heater Package is the perfect solution for compact home saunas that demand both elegance and performance. Inspired by the shape of a water droplet, this distinctive wall-mounted heater saves space while delivering soft, long-lasting löyly through its generous 122 lb. stone capacity. Complete with a UKU digital controller and 132 lbs. of premium Olivine sauna stones, this package is ideal for sauna rooms ranging from 106 to 247 cu. ft.
Key Features
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4.5 kW wall-mounted electric sauna heater — perfect for smaller sauna rooms
- Iconic water-drop inspired design that adds style while optimizing heat circulation
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122 lb. stone capacity ensures soft, mild, and long-lasting steam
- Direct contact between stones and heating elements for efficient thermal transfer
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240V / 1-Phase operation for residential compatibility
- Crafted from stainless steel with industrial-quality heating elements
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SGS safety listed for reliability
- Designed, engineered, and made in Estonia
- Backed by a 5-Year Limited Warranty (excluding heating elements)
Advanced Smart Control with UKU (Included)
- Touchscreen panel with a sleek black design
- Controls temperature (104°F–230°F), on/off, time, and delayed start (up to 48 hours)
- Optional Wi-Fi integration available for HUUM mobile app control
- Supports ventilation, lighting, and safety lock
- Includes overheat protection, door sensor, and child safety lock
- Weatherproof enclosure supports indoor or outdoor installation
- Language support: EN, DE, RU, IT, FI, EE, PL, FR
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Dimensions: Console: 2.2″ × 0.9″ × 4.1″ (55 × 22 × 105 mm) • Main Module: 3.5″ × 2.3″ × 5.6″ (90 × 58 × 142 mm)
Premium HUUM Olivine Sauna Stones – 132 lbs. Included
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132 lbs. total (4 boxes, 33 lbs each)
- Rounded Olivine diabase stones designed for durability and high heat capacity
- Stone size: 2″–4″ (5–10 cm)
- Rounded shape promotes even air circulation and complements the heater’s aesthetics
What’s Included
- HUUM DROP 4.5kW Electric Sauna Heater
- Wall-mount bracket
- Installation & Operation Manual
- 5-Year Limited Warranty (excluding elements)
- UKU Controller Package (Black) – Touchscreen Panel, Main Module, Sensors, Cables, and Hardware
- 132 lbs. of HUUM Olivine Sauna Stones (4 boxes)
Specifications
Specification |
Details |
Model |
DROP 4.5STU |
Power Output |
4.5 kW |
Voltage |
240V / 1 Phase |
Recommended Room Size |
106–247 cu. ft. |
Stone Capacity |
122 lbs. (132 lbs. included, 4 boxes) |
Dimensions (W × D × H) |
15.4″ × 13.2″ × 23.3″ (390 × 335 × 590 mm) |
Construction |
Stainless Steel |
Mounting |
Wall-mounted |
Controls |
UKU Controller (included) |
Certification |
SGS Listed |
Country of Origin |
Estonia |
Warranty |
5-Year Limited (excluding elements) |
Pro Tip: Stack stones loosely with larger ones in the center and smaller ones around the edges to maintain airflow. Use the UKU controller’s delay-start feature to preheat your sauna before use, ensuring maximum comfort and convenience.