The valves are junk. I have replaced all but 2 of them and will do the other 2 soon. The valve for my dishwasher (kitchen sink), both bathrooms and garage sink kept popping off. We would run the dishwasher and would not get any water and would have to rerun it. It can get kind of pricey if you have a plumber do it but if you are having problems it is worth it. They are just really cheap.
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