The Harvia M3 SL model is designed for people who want to conveniently heat their sauna from another room or outside the building. The opening direction of the door can be changed, making these wood burning heaters even easier to use. All Harvia wood burning heaters for through-the-wall heating models are equipped with a glass door. Harvia M3 SL sauna wood burning heater can be equipped with a pipe model water heater. Room volume 6 m³ – 13 m³ All heaters include stones, a control panel according to the heater, and a chimney.
