Quote:
Originally Posted by retiredguy123
Most plumbers would disagree. The one in my master bath worked, but you had to hold the pipe while pulling it out to turn it off, or the pipe would pull out of the wall about an inch or so. That was because the retaining clip behind the drywall was either loose or not installed at all. Very common. Also, a lot of people think that you turn the round plastic knob to turn it off. These people will never be able to turn off the valve because you need to pull it out to turn it off. Another issue is that some of the valves will turn off when there is a spike in water pressure. Too much pressure can cause the valve to automatically turn off. That being said, I do not plan to replace all 14 valves in my house because most of them will never need to be used. However, in my opinion, the builder should not install these valves on toilets that will definitely need to be used to replace the interior toilet parts and gaskets that need to be maintained.
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I replaced my Accor valve and hose assembly due to age the vinyl hose (about 20 years) I used shark bite. The hardest part was getting Accor valve off. I watched several pressure tests with all types of valves and hoses, copper, pex, clued PVC, couple brands push on valves. Shark bite fails around 850 psi. That s about 7 times pressure than utilities water pressure. I highly doubt utility pressure get that high beings water heater blow off valve will blow around 150 PSI. If one of these blows off most likely from improperly installed. IMO over time all styles will corrode, deteriorate, and leak or fail. Some plumbers want run up bill naturally they will say replace anything. Bottom line to each his own and what ever eases the mind.