Harvia Legend 240 Duo Wood Burning Stove/Fireplace Combo

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Harvia Legend 240 Duo Wood Burning Stove/Fireplace Combo

The Harvia Legend 240 Duo is perfect for heating your sauna from outside or another room. The black steel frame shows off the abundant amount of stones that provide good heat even if the firedies down. The grate frame also gives the stove a longer lifespan.

 Harvia Legend 240 Duo Features

  • Heats two rooms
  • Wood-burning
  • Cleaner and efficient burning
  • 21kW
  • For sauna rooms from 353 to 848 cu. ft.
  • 440 pound stone capacity 
  • Black steel frame
  • Floor model
  • Adjustable feet
  • Upper connection opening
  • Rear connection opening
  • Soot opening
  • Designed, engineered, and made in Finland
  • Dimensions: 23.6" W (600mm) x 30.7" D (780mm) x 32.7" H (830mm)
  • 2-year warranty 
  • Requires 10 bags of stones

The Harvia Legend 240 Duo fire chamber has an innovative grate structure that separates the combustion air. Part of the airis directed to the upper part of the fire chamber. This way the burning is cleaner and more efficient.

The direction of the door opening can be changed along with the adjustable legs making this wood burning heater easy to place in your sauna.

Harvia Legend 240 Duo Wood Burning Stove/Fireplace Combo

Harvia Legend 240 Duo Specifications

The Harvia Legend 240 Duo sauna stove is perfect for saunas between 353 and 848 cubic feet. The large amount of stones makes heating two rooms easy, giving off good heat even when the fires dies down.

Product Information

Model 240 Duo
Kilowatt Rating 21 KW
Primary Fuel Wood
Minimum Cubic Feet 353 CF
Maximum Cubic Feet 848 CF
Heater Weight 212 lbs
Shipping Weight with Sauna Stones 652 lbs
Width 23.6"
Depth 30.7"
Height 32.7"

Package Contents

  • Steel frame
  • Stove body
  • Stove Door
  • Ash box
  • Flange
  • Fire chamber extension
  • Installation and operation manual
  • 2 year warranty

Required for Operation

  • Dry wood, 440 lbs 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.

 Safety Distances

Harvia Legend 240 Duo Wood Burning Stove/Fireplace Combo

Harvia Legend 240 Duo Maintenance


  • The ash box should always be emptied beforeheating the stove so that the combustion airthat is lead through the box would cool off thefire grate and lengthen its life span. Get a metalcontainer, preferably standing model, to put theash in.As the removed ash may include hotembers, do not keep the ash container close tocombustible material.
  • Soot and ashes gathered in the smoke canals of the stove should be removed occasionally through the soot openings.
  • Due to large variation 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 in frequent 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 damperplate (if installed).
  2. Contact local fire authority.
  3. Do not try to extinguish fire using water.
  4. After a soot fire, a chimney sweeper must check the stove and the flue before use.