VEVOR Sauna Heater, 6KW 240V Electric Sauna Stove, Dry Steam Bath Saunas Stove with Pre-Drilled Bracket, Fit 176.5 to 317.8 CU.FT Saunas Rooms, Steam Bath Stoves for Home, Commercial, Leisure Venues

You can pour water onto the sauna stones to release the heat they have stored during heating, thereby raising the room temperature. (We recommend using no more than 100 milliliters per pour. Be sure to use purified water, and pour it onto the stones only after they have been fully heated.) If this answer does not resolve your issue, please contact us again for assistance.

There is no difference; the voltage used is 220V-240V.

It can be used with voltages of 220V-240V.