11 Sanitary apparatus and installations, namely, showers; pipes, being parts of sanitary installations and apparatus; water supply and distribution apparatus and installations, namely, pipes being parts of sanitary installations and apparatus; sewerage apparatus and installations, namely, pipes, being parts of sanitary installations and apparatus; heating apparatus, namely, central heating radiators; strainers for plumbing drains; surge dampers, namely, control devices used in air ducts to regulate the flow of water; steam valves; pump kits for pumping water comprised primarily of steam valves and pipes for sanitary installations; in line water filters; sink traps; showers; pressure pump strainers; pump accumulator kits for pumping water comprised primarily of strainers for plumbing drains and heat pumps; faucets; waste water tanks; drain gulleys, namely, strainers for plumbing drains; climate control apparatus, installations and systems, namely, electric space heaters; installations and apparatus for air conditioning, namely, air conditioners; installations and apparatus for lighting, namely, flood lights; thermostatic valves