Heating Apparatus-Namely, Boilers; Central Heating Burners Using Gas, Oil, Coal and Wood; Stoves Using Wood and a Combination of Coal and Wood; Radiators; Convectors; Storage Water Heaters, Heat Exchangers; Heat Pumps; Air Conditioners; Sanitary Apparatus-Namely, Baths; Bath Tub and Shower Fittings; Lavatories, Lavatory Basins; Bidets; Toilet Bowls and Water Tanks Therefor; Shower Basins; Water Taps-Namely, Shower Heads, Taps, Cocks and Fittings; Bath and Basin Water Drains