Automatic flush valves for toilets; Filters for air conditioning; Heating systems for residential and commercial buildings comprised of boilers, valves, pipes, manifolds, control panel switches, and electrical wire, all sold as a unit; Lawn sprinkler systems comprising pumps, valves and filters; Plumbing fitting, namely, vacuum release safety valve for flow shutoff in pools and spas; Plumbing fittings, namely, bibbs, cocks, traps; Plumbing fittings, namely, shower control valves; Plumbing fit...