I recently had a main valve go bad on a dishwasher which resulted in some flooding of my residence, but fortunately I was home so it was not as bad as it could have been. I had a new valve installed as the unit was still under warranty and all appears well. However, when I went out of state over the holidays, I got to thinking what would happen if I were away for a long period of time and that valve went bad on me. I hate to think of the result I would find when I returned home. I see that several places are selling a unit called the "WaterCop" which has wireless detectors that sense water and signal to the valve to shut off the water. Has anybody used one of these units and if so, how happy were they with the performance? Do the wireless sensor units work OK or would wired sensors be better? Is the valve normally shut and held open by power on a solenoid and then shuts on a power failure? Are there any other units on the market including some that maybe monitor the flow of water? How about being able to buy parts to make my own?
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