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Wednesday, May 6th 2015, 4:14pm

Anti-sipon with backflow preventer?

I have a question -

Is it possible to have a backflow preventer AND use anti-siphon valves?

Right now, the main water line is connected to the sprinkler lines (32 year old system original homeowner built), and the valves are anti-siphon, but 3 hose bibs are also on this sprinkler line.



Supreme Member

Posts: 5,288

Location: Metro NYC


Thursday, May 7th 2015, 5:56am

With the correct backflow preventer in place, downstream plumbing becomes irrelevant.

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