Narvi Luosto VSWood Burning Sauna Stove, Watertank, 16kW The Narvi Luosto VS Wood Fired Sauna Stove provides durability and efficient heat distribution. This sauna stove comes equipped with an integrated hot water tank and faucet. The Narvi Luosto VS Sauna Stove provides excellent durability and efficient heat distribution for your sauna. Known for its sleek design, this sauna stove features a large stone compartment and heats quickly with a small amount of wood.