Plumbing apparatus, namely, pipes and valves being parts of sanitary facilities and radiators; heating apparatus, namely, heating elements, heating installations, pavement heating apparatus, heating systems for residential and commercial buildings comprised of biomass burners, boilers, valves, pipes, manifolds, solar panels, control panels, switches and electrical wire, all sold as a unit; boilers, valves, pipes, manifolds, control panel switches, and electrical wire, all sold as a unit; heat...

Electric and steam radiators for heating buildings