Quote:
Originally Posted by Topspinmo
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.
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There have been several posts where Accor valves have closed due to high water pressure. Some people actually think that they are designed to close as a safety feature, but Accor denies it. So, the valves must have been defective.