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Starting Member

Posts: 1

Location: USA


Monday, July 25th 2005, 12:43pm

Febco 825Y the problem?

I have high water pressure (120PSI) and I keep hearing what sounds
like a pressure relief valve blowing off momentarilly. Could the 825 be responsible for this? It is rated for 140 PSI could it need a rebuild? Has anyone experienced this before. It just did it again even with the sprinkler on?


Supreme Member

Posts: 5,292

Location: Metro NYC


Monday, July 25th 2005, 1:36pm

The type of backflow preventer you have will do that at high pressure, which is why they are installed outdoors. It is not a malfunction. You can see the discharge after each zone valve shuts off.

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