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HUUM DROP Series 4.5kW Sauna Heater Package

Sale price$2,198.00

Questions? Speak To an Expert at +1 (616) 282-2366

HUUM DROP 4.5STU Sauna Heater Package – Compact Elegance, Lasting Performance

The HUUM DROP 4.5STU Package brings elegance and award-winning design to smaller sauna spaces. This complete package includes the beautifully crafted DROP 4.5kW wall-mounted sauna heater, your choice of UKU Local or Wi-Fi-enabled control system, and 132 lbs of natural olivine sauna stones—ideal for sauna rooms ranging from 106 to 247 cubic feet.

At the heart of this setup is the DROP heater, inspired by the simplicity of a water droplet. Its sculptural, rounded form softens traditional sauna interiors while delivering powerful, consistent heat. Despite its compact footprint, the DROP holds an impressive 122 lbs of stones—more than many wood-burning heaters—ensuring long-lasting warmth and soft steam throughout your session.

Winner of the Red Dot Design Award, the HUUM DROP seamlessly blends form and function. With the optional UKU Wi-Fi control, you can preheat your sauna from anywhere using the HUUM mobile app, offering unmatched convenience.


Package Includes:

DROP 4.5kW Sauna Heater

  • Iconic water-drop inspired design

  • 240V / 1-phase operation

  • Suitable for sauna rooms from 106 to 247 cu. ft.

  • Wall-mounted to maximize floor space

  • 122 lb stone capacity (4 boxes of stones required)

  • Direct heating element-to-stone contact

  • Large exposed stone surface for gentle, even heat

  • Stainless steel construction and industrial-grade elements

  • SGS listed for safety and quality

  • Dimensions: 15.4" W x 13.2" D x 23.3" H (390 x 335 x 590 mm)

  • Designed and handcrafted in Estonia

  • Limited 5-Year Warranty (excluding elements)

UKU Control System (choose Local or Wi-Fi)

  • Sleek black control panel (additional color options available)

  • Adjustable on/off, temperature, delay timer, and scheduling

  • Temperature range: 104°F to 230°F

  • Delayed start up to 48 hours

  • Optional built-in Wi-Fi for remote control via HUUM app

  • Can be installed inside or outside the sauna

  • Smart heating function available

  • Displays both set and current room temperatures

  • Safety features: overheat protection, child lock, door sensor

  • Supports lighting and ventilation control

  • Multilingual interface (EN, DE, RU, IT, FI, EE, PL, FR)

  • Console Dimensions: 2.2" W x 0.9" D x 4.1" H (55 x 22 x 105 mm)

  • Main Module: 3.5" W x 2.3" D x 5.6" H (90 x 58 x 142 mm)

  • 5-Year Limited Warranty

HUUM Stones 24

  • 132 lbs of olivine diabase sauna stones

  • Rounded stones improve airflow and visual appeal

  • Excellent heat retention and steam generation

  • Stone size: 2" – 4" (5 – 10 cm)


What’s Included:

  • DROP 4.5kW Sauna Heater

  • Wall-mount bracket

  • Installation and operation manual

  • UKU Control System (console, module, sensors, cables)

  • 132 lbs of Olivine Sauna Stones

  • 5-Year Limited Warranty (excluding elements)

Stones 24

  • 132 lbs of 2" - 4" (5-10 cm) round Olivine sauna stones

Specifications

Model DROP 4.5STU Pkg
Model DROP 4.5
Kilowatt Rating 4.5kW
Minimum Cubic Feet 106 CF
Maximum Cubic Feet 247 CF
Heater Weight 24 lbs
Shipping Weight with Sauna Stones 146 lbs
240V, Single Phase Amperage 18.8 Amps
Circuit Breaker Amperage 30 Amps
Wire Size 10 AWG
Width 15.4"W (390mm)
Depth 13.2"D (335mm)
Height 23.3"H (590mm)
UKU
Minimum Temperature Setting 104 F
Maximum Temperature Setting 230 F
Shipping Weight 20 lbs
Console Dimensions
Width 2.2" (55mm)
Depth 0.9" (22mm)
Height 4.1" (105mm)
Main Module Dimensions
Width 3.5" (90mm)
Depth 2.3" (58mm)
Height 5.6" (142mm)
Display Panel Cable
Length 9.8 ft
AWG 22
Temp Sensor Cable
Length 16.4 ft
AWG 24
Door Sensor Cable
Length 16.4 ft
AWG 24

Shipping

For more information, feel free to contact us at: contact@radiantdollhealth.com

Manual

DROP IOM 2022.pdf

DROP Installation Video

DROP Elements Required

DROP Warranty

UKU Installation & Operation Manual

UKU Install Diagram

UKU Installation Video

UKU Warranty

Stone Placement Video

Stone Requirements

HUUM DROP Series 4.5kW Sauna Heater Package
HUUM DROP Series 4.5kW Sauna Heater Package Sale price$2,198.00