Harvia Club KG12G-U3W 12.5kW Electric Sauna Heater
Get it by Sun, Aug 9
Specifications 12.5 kW • 494 to 742 cu ft • 135 lb stones • 208V / 3-phase
Full technical and electrical specifications for the Harvia Club K125G-U3-NC commercial sauna heater.
Power: Requires 208V / 3-phase power at 34.1 A on a 40 A main breaker, with (3) #8 conductors plus neutral and ground to the power unit. Must be hard-wired by a licensed electrician.
Heat: Traditional Finnish sauna heat for large rooms. The 135 lb stone load offers exceptional heat retention and even distribution.
What's in the Box & Setup Heater, mounting hardware, UL label and manual. Control system and stones sold separately.
The K125G-U3-NC ships as the heater only. A control system, power contactor and sauna stones are required and ordered separately.
In the box
- Harvia K125G-U3-NC electric sauna heater (12.5 kW)
- Mounting hardware
- Installation and user manual
- UL certification label
What you provide
Controls and stones are sold separately so you can tailor the configuration with digital or mechanical operation.
- 135 lb of sauna stones (4 boxes)
- Control system: Xenio CX45 (digital) or F-2T & FX503 (mechanical)
- Contactor / power unit
- Licensed electrician for hard-wiring
Setup notes
- Control system required The K125G has no built-in controls. Pair it with a Xenio CX45 digital control or an F-2T & FX503 mechanical setup, plus a contactor/power unit.
- Engineered for high traffic Full stainless steel construction resists corrosion and heat-related wear in gyms, wellness centers, spas and large home saunas.
Recommended for assembly
All electrical work must be completed by a licensed professional.
- Screwdriver
- Level
- Correct gauge wiring
Setup questions? Email info@saunass.com
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
10 kW heater options
Compare Harvia Club heaters
Commercial-grade heaters for large rooms.
| Heater | Club KG10G-U3 | This modelClub KG12G-U3W | Club K15G |
|---|---|---|---|
| Power | 10 kW | 12.5 kW | 15 kW |
| Control | Digital or mechanical (separate) | Digital or mechanical (separate) | Digital or mechanical (separate) |
| WiFi app | No | No | No |
| Stone capacity | 135 lb | 135 lb | 135 lb |
| Design | Floor-standing stainless | Floor-standing stainless | Floor-standing stainless |
| Safety railing | Optional | Optional | Optional |
| Best for | 388 to 600 cu ft | 494 to 742 cu ft | 600 to 989 cu ft |
All Club heaters require a separate control system and contactor/power unit, sold separately.
