Classification Information
Air conditioning apparatus; Air purifying apparatus and machines; Air-conditioning, air cooling and ventilation apparatus and instruments; Baths, bathtubs, whirlpool baths and bath installations; Boilers for heating installations; Economisers, namely, devices for warming feed water in heating boilers; Heat accumulators; Heating systems for residential and commercial buildings comprised of boilers, valves, pipes, manifolds, control panel switches, and electrical wire, all sold as a unit; Pipes for heating boilers; Sauna bath installations; Showers; Solar collectors for heating; Thermostatic valves
Environmental Control Apparatus