






K15G Club Series 15kW Stainless Steel Sauna Heater at 240V 1PH
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Built for very large private and commercial saunas, the Harvia K15G delivers strong, even heat in rooms up to 989 cubic feet. On a 240 V single phase circuit this heavy duty floor standing heater produces approximately 15 kW. KG series heaters are designed 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 clubs, spas, hotels, and large residential saunas.
- High power heating: 15 kW output for sauna rooms from 600 to 989 cubic feet. Operates on 240 V single phase with an approximate 62.5 A current draw.
- 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 XW to manage temperature, timer, and lighting.
- Generous stone capacity: Holds 132 lbs of sauna stones three 44 lb boxes for 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: 15 kW
- Voltage: 240 VAC single phase
- Current: about 62.5 A
- Line fuse: dual 40 A typical
- 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 240 V single 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.

Why Choose Sauna Luxuries?
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At Sauna Luxuries, we’re more than just another online store — we’re your dedicated partner in wellness. Every product we offer is carefully selected for quality, performance, and long-term value. As an authorized dealer, we guarantee authentic models, factory warranties, and expert guidance every step of the way. From fast answers to custom recommendations, we make shopping for your perfect sauna effortless.