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The design of the HUUM DROP sauna heater is inspired by the purest element in nature – a drop of water. Its round design softens and livens up the angular interior of a classic sauna, giving it a touch of elegance. But DROP isn’t only about the looks. This compact wall-mounted heater can actually fit up to 122 lbs of stones, exceeding most wood-burning stoves and guaranteeing long-lasting steam.
Winner of the prestigious Red Dot Award in Europe for design, the HUUM DROP combines sculptural beauty with engineering excellence. It's exceptionally large rock capacity allows the sauna bather to ladle more water onto the stones for a more intense bathing experience while creating a more consistent, soft high heat.
The available Wi-Fi control lets you preheat your sauna from anywhere. For bathers who want the absolute best sauna heater.
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Unique water drop design
240V/1PH operation
Works with UKU controls (sold separately)
122 pound stone capacity (required 4 boxes sold separately)
Direct contact between stones and heating elements
More exposed stones create a longer and milder heat
Stainless steel construction
Stainless steel, industrial quality heating elements
Wall-mounted design
Designed, engineered, and made in Estonia
Dimensions: 15.4"W (390mm) x 13.2"D (335mm) x 23.3"H (590mm)
SGS Listed
Limited 3-year residential warranty and limited 1-year commercial warranty (excluding elements)
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6.0kW Sauna Heater
Wall-Mount Bracket
Installation and Operation Manual
3-Year Limited Residential Warranty and 1-Year Limited Commercial Warranty (Excluding Elements)
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Model: DROP 6
Series: HUUM DROP Series
Heater type: Wall‑mounted electric sauna heater
Power output: 6.0 kW
Fuel type: Electric
Voltage: 240V, Single Phase (1PH)
Amperage (240V, 1‑Phase): 25 A (some listings note ~18.8–25 A; follow local electrical spec)
Recommended room volume: 177–353 ft³ (5–10 m³)
Rock capacity: 55–60 kg / 121–132 lbs sauna stones (4 boxes required, sold separately)
Heater weight: 24 lbs (11 kg)
Shipping weight with stones: approx. 146 lbs
Dimensions (W x D x H): 15.4" x 13.2" x 23.3" (390 x 335 x 590 mm)
Installation: Wall‑mounted compact design
Controls: Requires separate HUUM UKU control (Local, WiFi, or Glass; sold separately)
Construction: Stainless steel body with high stone capacity for soft, long‑lasting steam
Design: Water‑drop inspired rounded form, softens angular sauna interiors
Use environment: Indoor traditional Finnish sauna
Country of origin: Estonia
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Item description
The following items are required for the successful operation and installation of this product.
Sauna Heater Controls
*Choose one of the following control options. All are compatible.
UKU Wi-Fi sauna controller makes sauna heating very easy and comfortable. With UKU you can heat your sauna on the spot or do it from your phone through HUUM mobile app.
UKU Local Sauna Control makes sauna heating easy and comfortable. Works with HUUM Sauna Heaters over 11kW and up to 18kW, a UKU Extension Box is required.
Heater sold sepearately.
Sauna Stones (Requires 4 Boxes)
33 lbs of 2" - 4" (5-10 cm) rounded olivine sauna stones. We highly recommend using rounded stones in HUUM heaters to complement the design and have milder steam.
*4 Boxes required for the HUUM Drop 6 and HUUM Drop 9. NOT SOLD WITHOUT THE HEATER!
UKU Wi-Fi Glass sauna controller makes sauna heating convenient and comfortable. With UKU you can heat your sauna on the spot or do it from your phone through HUUM mobile app. UKU comes with several safety and extra features for a pleasant sauna experience. HUUM UKU Glass is designed for use with sauna heaters up to 9kW
Sauna heater sold separately
