K15G Club Series 15kW Stainless Sauna Heater at 208V 3PH

Designed for very large private and commercial saunas, the Harvia K15G delivers powerful, consistent heat in rooms up to 989 cubic feet. Operating on a 208 V 3 phase circuit, this heavy duty floor standing heater produces approximately 14.4 kW marketed as 15 kW. KG series heaters are purpose built to heat large saunas to comfortable bathing temperatures and are not intended for other uses.

Key Features

• Commercial grade floor model: Stainless steel body with long life heating elements for continuous use in health clubs, spas, hotels and large residential saunas.

• High power heating: 14.4 kW output rounded to 15 kW for sauna rooms from 600 to 989 cubic feet. Runs on 208 V 3 phase with about 40 A current draw and a 50 A line fuse.

• External control required: Must be paired with a separate control installed outside the sauna. Compatible options include Harvia Xenio or Griffin controls such as CX45 U1 U3 XW to manage temperature, timer and lighting.

• Generous stone capacity: Holds 132 lbs of sauna stones three 44 lb boxes to produce abundant, even steam. Use 2 to 4 inch stones and arrange them loosely for proper airflow.

• Listed for safety: ETL listed construction for reliable operation in residential and commercial settings.

Specifications

• Output: 14.4 kW marketed as 15 kW

• Voltage: 208 VAC 3 phase

• Current: 40 A

• Line fuse: 50 A

• Recommended sauna size: 600 to 989 cubic feet

• Dimensions W × D × H: 20 in × 20 in × 33 in approximately

• Rock capacity: 132 lbs of 2 to 4 in stones

• Weight empty: about 60 lbs

What Is Included

• Harvia K15G sauna heater floor standing

• Installation and operation manual

Required Accessories Sold Separately

• Control unit: Harvia Xenio or Griffin control system. A separate control is mandatory for KG heaters.

• Sauna stones: Approximately 132 lbs of 2 to 4 in stones.

Installation and Safety

Mount the K15G on the sauna floor and hard wire it to a dedicated 208 V 3 phase circuit. Install the control unit and temperature sensor outside the sauna at about 5 ft height. Use only solid sauna stones sized 2 to 4 in and arrange them loosely to maintain airflow. Follow the manual for all required clearances, wiring and safety instructions. Professional installation by a licensed electrician is recommended.