Description
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
| Model | Harvia Club K125G-U3-NC |
|---|---|
| Power Output | 12.5 kW (12,300 watts) |
| Sauna Room Size | 494 – 742 cu. ft. |
| Voltage / Phase | 208V / 3-Phase |
| Amperage | 34.1 Amps |
| Main Breaker | 40 Amps |
| Wiring (Heater to Power Unit) | (3) #8 + Neutral + Ground |
| Control Wiring | (2) #14 + Ground |
| Heater Dimensions (W x D x H) | 19 7/8″ x 17″ x 27 1/2″ |
| Stone Capacity | 135 lbs (Stones sold separately) |
| Construction | All Stainless Steel Housing & Heating Elements |
| Certifications | UL Listed |
| Country of Origin | Made in Finland |
| Heater Weight | 60 lbs |
| Shipping Weight with Stones | 192 lbs |
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
Installation Manual
Return, Exchange FAQs
Read below for more information or please visit our FAQs page for anything about Saunas or returns, shipping and delivery here.
Product Guarantees
At Superior Saunas we hand pick the best products, we hold pride for our amazing customer service, one of the largest distributers in the USA for all things Sauna and include education materials in our site along with additional information for every product we sell. Please read below for more information on our guarantees and FAQs.
Informative Sauna Articles
- How to Enjoy Sauna
- Traditional Versus Infrared Sauna
- Heat Stratification Diagram (For proper sauna ceiling height)
- Sauna Benefits
- Sauna Care Instructions
- Cleaning & Maintenance
- Sauna Heater Rocks Info
- Sauna Wood Treatment
- Sauna Woods Health & Ecology Information
- Key Features of Sauna Design
- Sauna Information Booklet
- Custom Sauna Planner
- Border Parcel Center Locations for Canadian Orders
Guarantees
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Quality Assurance
We use high-quality materials and construction methods in all of our hand-made sauna kits, and offer warranties across our carefully selected brands.
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Amazing Customer Service
Our knowledgeable Design Consultants are headquartered along the shores of Lake Superior, ready to help you with your sauna build project pre & post-purchase.
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Wide Range of Products
From DIY sauna kits to steam rooms and accessories, we provide a comprehensive range of products to make your sauna dreams a reality.
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Educational Resources
We provide extensive information and resources about sauna installation & maintenance. Our team is very helpful and resourceful for both new & experienced sauna-goers.
FAQs
What is the timeline for shipping?
Ground Shipping
We utilize FedEx and USPS for shipping our ground orders. We ship Mon-Fri. We do not ship on weekends or holidays. Once a shipment has been created you will receive the tracking information via email. Typical fulfillment time is 1-2 business days from the date of purchase. Transit times can fluctuate depending on the shipping address, but are usually delivered in 2-4 days.
Expedited Shipping
If you are interested in expedited shipping (overnight or 2-day) please reach out to our helpful sales team. Please call 1-877-872-2806 or email info@superiorsaunas.com. We use FedEx for all expedited orders. Orders must be made before 12pm to ship the same day.
What should I expect with freight orders?
Freight Shipping
Once a freight order is placed (door, heater, lumber, prefab, etc.) it enters our fulfillment queue and is packed in the order it was received. Typical fulfillment times are 2-3 weeks. Once an order is ready to ship you will receive the tracking information from our carrier (Valley Companies). You may need to check your SPAM/Junk folder because these emails can be filtered there. Please allow 1-2 weeks for transit time. The delivering terminal will reach out 24 hrs. in advance of the delivery. You do not need to be present at the time of delivery. The shipment is delivered curbside or to the first dry location. If you have any questions, please feel free to reach out. *Note we cannot guarantee delivery timelines and work off estimates with the shipping company directly.
What is the return window?
Return may be made if it was sent by Ground Shipping and must be made within 30 days of receiving your goods.
If it is shipped by Freight, your return is dealt with on a case-by-case-basis.
We will not accept returns for any custom products.
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