HARVIA C90 (C090400) – Digital Control Unit for Saunas 3–9 kW

The Harvia C90 control unit is a reliable and simple solution for controlling electric heaters with a power output of up to 9 kW. It provides precise control over the sauna's temperature and operating time, allowing you to create comfortable conditions with the press of a button. Thanks to its digital display and thoughtful design, the control unit is convenient for both private and commercial saunas.

Product Features

• Digital display showing the current temperature (up to +125 °C).
• Temperature adjustment in the range of +40 °C to +110 °C.
• Adjustable continuous operating time from 1 to 12 hours.
• Delay start function from 0 to 12 hours – convenient for preheating at a specific time.
• Reliable external temperature sensor, approximately 4 m long.
• Compact dimensions and simple wall mounting.

Advantages

• Precise temperature: ensures stable and even heating in the steam room.
• Convenient control: the digital interface allows easy setting of desired parameters.
• Safety: built-in overheat protection and a high-quality temperature sensor.
• Flexibility: suitable for electric heaters with a power output of 3–9 kW.
• Functionality: possibility of automatic start and stop.

Technical Specifications

• Temperature range: +40 … +110 °C
• Display limit: up to +125 °C
• Heater power: up to 9 kW
• Operating time: 1 – 12 h
• Delay start: 0 – 12 h
• Dimensions (W × H × D): 250 × 223 × 70 mm
• Weight: 1.2 kg
• Included: control unit and temperature sensor (cable length ~ 4 m)

Application & Result

Application: The Harvia C90 control unit is suitable for electric heaters of all popular models with a power output of 3–9 kW. It can be used in home saunas, hotel SPA areas, and fitness centers.

Result: With Harvia C90, sauna control becomes simple and precise. You set the desired temperature, set the timer, and after the set time, the steam room is ready for the session. Maximum comfort and reliability—in a compact device from the leader in Finnish technology.

Ideal for:

• Home and commercial saunas
• Owners who value control and safety
• Those who want to automate the sauna heating process