Heating units; Heating installations; Heaters for shower baths; Heaters; Heaters for baths; Heating apparatus; Electric heaters; Heating apparatus, electric; Installations combining boilers and steam generators for heating; Radiator heaters; Room heaters; Sauna bath installations; Sauna heaters; Saunas; Sauna apparatus; Sauna stoves; Installations steam generating; Apparatus for steam generating; Steam producing machines; Steaming machines; Steam baths; Electrical installations for steam generation; Steam cleaners (sauna); Steam producing installations; Steam generators for use with steam baths; Steam producing apparatus; Steam generators for domestic use; Steam generating installations; Steam generating apparatus; Apparatus for heating saunas

Sauna heating apparatus,