SAFETY GUARD

Water flushing systems comprising pipes, tubes, hoses, fittings, fasteners, flow control valves including timer control valves and temperature control valves, and programmable valve controllers for use in water distribution systems, emergency eye wash stations, safety showers, drinking fountains, hospitals, schools, houses, buildings, oil refineries, and chemical plants, optionally providing water flushing, water sampling, dechlorination, backflow prevention, and temperature control, such as freeze protection and scald protection