Heating apparatus, namely, heating boilers or space heating apparatus for industrial and household purposes; hot water heating system comprised of hot water tanks and hot water heaters; floor heating system comprised of a heat transfer means positionable in thermal conductive communication with a floor and means to supply a heating medium to the heat transfer elements; hot water floor heating system comprised of hot water tanks and hot water heaters; water heaters; air cooling apparatus; air ...

Heating apparatus, namely, heating boilers or space heating apparatus for industrial and household purposes; hot water heating system comprised of hot water tanks and hot water heaters; floor heating system comprised of a heat transfer means positionable in thermal conductive communication with a floor and means to supply a heating medium to the heat transfer elements; hot water floor heating system comprised of hot water tanks and hot water heaters; water heaters; air cooling apparatus; air ...