K3 sauna control unit

K3-9-N

The Harvia K3 is a sleek, all-in-one control unit built for effortless sauna enjoyment. Precisely adjust your temperature from 40 °C to 125 °C and set your session with an easy-to-read digital display in 15-minute intervals. A built-in overheat limiter and 6-hour heating limit keep every session safe, while the light connection adds a finishing touch to your sauna ambiance. For the ultimate experience, the K3 supports humidity mode with a powerful 3 kW evaporator, letting you fine-tune the climate anywhere from 40 °C to 65 °C. The two-sensor system, low-water indicator, and acoustic signal ensure precise, worry-free control — so you can focus on what matters most: relaxing.

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Item number Harvia: K3-9-N
Type code: K3-9
Electrical number (STK): 8264866
Certificates: CE EAC

One-piece housing with integrated control unit and two-sensor system
Temperature progressively adjustable from 40 °C to 125 °C
Temperature sensor and overheat limiter for the heater
Heating time limit 6 hours
Lighting connection
Digital display: Enter the preset time (in 15 minute intervals)
Humidity operation, selectable temperature from 40 °C to 65 °C
Evaporator output: 3 kW
Low-water display, acoustic signal, temperature and humidity mode display

Technical

Features

Model	K3-9-N
User group	Households
Power output	9 kW
Control type	Controlled by manual switches
Installation location	Wall
Installation orientation	Horizontally
Color	White
Main material	Plastic
Temperature adjustment range ˚C, min.	40 °C
Temperature adjustment range ˚C, max.	125 °C
Ambient temperature min	-10 °C
Ambient temperature max	40 °C
Storage temperature min	-25 °C
Storage temperature max	70 °C
Use environment	Interior - dry area

Measurements

Model	K3-9-N
Height	195 mm
Width	238 mm
Depth	90 mm
Control panel width	195 mm
Control panel depth	238 mm
Control panel height	90 mm

Weights

Model	K3-9-N
Net weight	1.74 kg
Control panel weight	1.13 kg

Electrical

Model	K3-9-N
IP Class (like: IPX4)	IPX4
Electrical Frequency	50 Hz
Max. Connection power for light	100 W
Electrical group options	400V 3N~

Logistics

Model	K3-9-N
EAN	9120053860046
Electrical number (STK)	8264866
Customs tariff number EU	85371098
Product unit (pcs, meters etc.)	PCS
Sales unit	pcs
Packaging materials	CardboardPlastic bag
Package height	118 mm
Package width	290 mm
Package depth	340 mm
Gross weight	2.1 kg
Cardboard weight	0.34 kg
Plastic weight	0.01 kg

Please check the product manual for updated information before use.