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Supreme Member

Posts: 5,292

Location: Metro NYC


Friday, June 29th 2012, 10:03pm

your AVB is something of an imposter - a lot of them get installed where a PVB should be

the actual approved application of the AVB is one for each zone, downstream of the zone valves




Friday, June 29th 2012, 10:14pm

Thank you, Wet_Boots. I've just been browsing the site and came upon the detailed description of the various cross-connection prevention devices here:

I'll let my neighbor know about the recommended upgrade. I thought I was going over there to plug in his timer or replace a solenoid. Now I know a lot more about irrigation than I ever dreamed I would. Not quitting the day job, yet, though.

Thank you!


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