... dishwashers, sinks, aquariums, sump pumps, water heaters, and anywhere with potential water damageProtects you home by keeping the leak ... : 100dBuValve close startup time:1 second Valve open startup time: 1 secondIndicators : 1.Power indicator (AC adaptor) ... water heater Under the refrigeratorAlso widely used for swimming pool, air conditioner, hot water tanks, piping, washing machine, water ...