Harvia Club KG12G-U3W 12KW Sauna Heater - Finnish Sauna Builders

Harvia Club KG12G-U3W 12KW Sauna Heater 

The Harvia K125G-U3-NC Club Series 12.5kW Electric Sauna Heater is a high-performance commercial sauna heater engineered for reliability, efficiency, and longevity. Designed for both large home saunas and high-traffic commercial environments like gyms, wellness centers, and spas, this floor-standing unit delivers even, consistent heat across spaces ranging from 494 to 742 cubic feet. Constructed entirely from stainless steel and built in Finland, this heater represents the pinnacle of authentic Finnish sauna engineering. It operates on 208V 3-phase power and requires a compatible control system and contactor/power unit (sold separately).

Features

• Model: K125G-U3-NC (208V / 3-Phase)
• Power Output: 12.5 kW (12,300 watts)
• Sauna Room Size: Ideal for 494 – 742 cubic feet
• Design: Floor-standing stainless steel body
• Heating Elements: Industrial-grade stainless steel for long life
• Stone Capacity: 135 lbs (4 boxes, sold separately)
• Control Options: Compatible with Xenio CX45 (Digital) or F-2T & FX503 (Mechanical)
• UL Listed: Certified for commercial safety and reliability
• Country of Origin: Made in Finland

Technical

The Harvia K125G-U3-NC is engineered for demanding commercial applications where durability and performance are critical. This heater features a full stainless steel construction, ensuring resistance to corrosion and heat-related wear. It has a power output of 12.5 kW and is designed for 208V 3-phase electrical systems. The large 135 lb stone capacity provides exceptional heat retention and even distribution, enhancing the overall sauna experience. Required control systems are sold separately, allowing you to tailor the configuration with either digital or mechanical operation. As a UL-listed heater manufactured in Finland, it meets stringent international safety and quality standards.

Specifications

In the Box

• Harvia K125G-U3-NC Electric Sauna Heater (12.5kW)
• Mounting Hardware
• Installation & User Manual
• UL Certification Label
• Note: Controls and sauna stones are sold separately

Sauna Heater Sizing Tool

Installation Manual

Click Here to Download Manual