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M3 Series Wood Burning Heater | Harvia

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M3 Series Wood Burning Heater | Harvia

Classically stylish in its design, the Harvia M3 stove catches the eye and is suitable for a small wood-heated sauna up to 459 cubic ft (CF).

The Harvia M3 has a classic design and is suitable for small saunas. It turns a sauna bath into a pleasurable experience and adds a touch of a traditional sauna atmosphere. The even heat and efficient air circulation guarantee an enjoyable bath.

Harvia M3 Features

  • ROOM VOLUME (CU. FT.) - 212 - 459 CU. FT.
  • Ideal in small-sized saunas
  • Stainless steel housing
  • Glassdoor
  • Adjustable legs
  • Stone capacity: 66 lbs.
  • Installation: Floor mount
  • KW: 16.5
  • WATTS: 16500
  • VOLTS: N/A
  • AMPS: N/A
  • PHASE: N/A
  • M Series 16.5kW Wood Sauna Stove
  • Requires 2 bags of Harvia Stones


The Harvia M3 is equipped with a glass door, allowing the warm glow of the fire to complement the sauna atmosphere. The color of the wood-burning heater is elegant graphite black and it has a stainless steel air-flow spoiler. The M3 wood-burning heater can be equipped with a pipe model water heater.



M3 Series Wood Burning Heater | Harvia

Harvia M3 Specifications

Classically stylish in its design, the Harvia stove catches the eye and is suitable for a small wood-heated sauna. The even heat is given off by the stove and the efficient air circulation guarantees a pleasant and relaxing sauna experience.


M3 Series Wood Burning Heater | Harvia


  • Sauna stove
  • Upper/Rear connections
  • Soot opening
  • Stove door
  • Ash box
  • Installation and Operation manual

Required for Operation:

  • Dry wood, 66lbs stones (Harvia AC3000)
  • Recommended Accessory: Harvia WZ115155

Harvia Pipe Adapter (WZ115155)

All Harvia wood-burning sauna stoves are equipped with standard European exhaust piping that measures 115mm (4.5"). This adapter is required for North American 155 mm (6") piping conversion.




M3 Series Wood Burning Heater | Harvia


100 lbs 17.7" 15.4" 28" N/A 17."W x 15.4"D x 28"H


Harvia M3 Maintenance


  • The ash box should always be emptied before heating the stove so that the combustion air that is lead through the box would cool off the fire grate and lengthen its life span. Get a metal container, preferably a standing model, to put the ash in. As the removed ash may include hot embers, do not keep the ash container close to combustible material.
  • Soot and ashes gathered in the smoke canals of the stove should be removed occasionally through the soot openings
  • Due to large variations in temperature, the sauna stones disintegrate in use. Therefore, they should be rearranged at least once a year or even more often if the sauna is infrequent use. At the same time, any pieces of stones should be removed from the stone space, and disintegrated stones should be replaced with new ones.
  • Wipe dust and dirt from the stove with a damp cloth.


  • The chimney and connection pipes should be swept at regular intervals and especially if the stove has not been used in a long time.
  • Due to incomplete burning of fuel and failure of sweeping the chimney, the soot build-up in the flue may ignite. Actions to be taken in case of a chimney fire:
  1. Close the ash box, stove door, and damper plate (if installed).
  2. Contact local fire authority.
  3. Do not try to extinguish the fire using water.
  4. After a soot fire, a chimney sweeper must check the stove and the flue before use.


 This product is not applicable to price match policy.