HUUM CORE BK/ST - CORE Series Sauna Heater, Customizable Exterior, 10.5kW

HUUM CORE BK/ST

CORE Series Sauna Heater, Customizable Exterior, 10.5kW

The HUUM CORE BK/ST 10.5kW sauna heater is a powerful, design-forward solution for larger sauna rooms, offering complete freedom to customize the heater’s exterior. With its casing-free (naked) design , this model allows you to finish the exterior with tile, stone, glass, or wood to perfectly complement your sauna aesthetic. Designed and manufactured in Estonia, it delivers fast, even heating and abundant steam for sauna rooms sized 354 to 566 cubic feet . Its compact footprint and minimal safety distances make it ideal for modern installations, including full bench integration. When paired with a UKU control (sold separately), the CORE BK/ST provides precise, intuitive control and a truly personalized sauna experience.

Key Features

• Power & Room Size: 10.5kW for sauna rooms from 354–566 cu. ft.

• Voltage & Phase: 240V / Single Phase

• Amperage: 43.75A

• Wire Size: AWG 8

• Customizable Exterior: Designed to be finished with tile, stone, glass, or wood

• Compact, Space-Saving Design: Ideal for larger saunas with modern layouts

• Bench-Embeddable: Can be fully integrated into sauna benches

• High Steam Output: Direct contact between stones and heating elements

• Stone Capacity: 66 lbs (2 boxes required, sold separately)

• Construction: Stainless steel body with industrial-quality heating elements

• Controls: Compatible with UKU sauna controls (sold separately)

• Safety Certified: CE certified

• Dimensions: 12.2"W × 12.2"D × 32.7"H (31 × 31 × 83 cm)

• Weight: 41.9 lbs (19 kg)

• Made in Estonia: Authentic Nordic craftsmanship

• Warranty: 3-year limited residential / 1-year commercial (excluding elements)