Faucets; Automatic flush valves for toilets; Electric space heaters; Filters, heaters and pumps sold in combination for use in swimming pools; Heaters for warming up portable toilets in cold weather; Heating systems composed primarily of tubes, pipes and manifolds through which warm or high temperature water circulates; Hot water heaters; Industrial electric oscillating fans for automatic cleaning of ceilings, light fixtures, ducts and other overhead structures exposed to fibrous airborne con...