HUUM UKU Extension Box – For High-Capacity Sauna Heaters HIIT machine The interior LED control panel

The interior LED control panel allows for simple temperature adjustments

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making it a versatile accessory for users of all fitness levels

The Harvia Cilindro PC60 electric sauna heater is a compact pillar-style heater designed to deliver consistent heat and a richly customizable steam experience in small residential sauna rooms

HUUM UKU Extension Box – For High-Capacity Sauna Heaters HIIT machine The interior LED control panelProduct Description The HUUM UKU Extension Box is an essential accessory designed to support the safe operation of larger HUUM electric sauna heaters when used with UKU control panels. Required for heaters over 12 kW, this extension box provides the additional power management and system support needed to ensure reliable, compliant performance in higher capacity sauna installations. Built to integrate seamlessly with HUUM UKU Local, Wi Fi, Glass,