Backflow Devices

There are 5 types of backflow prevention assemblies (Air Gap, AVB, PVB, DC, and RP; but, these are not all equally acceptable as protection against all types of hazards. Look here for help in choosing the correct device to protect your drinking water.

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Threads

	Replies	Views	Last post
Are RPZ's safe? by jnorris (Sep 22nd 2009, 1:21am)	3	341	by sonorasprinkler (Mar 19th 2010, 4:41am)
Are freeze resistant PVBs worth the extra $$? by swen (Jul 14th 2012, 8:03am)	1	263	by Central Irrigation (Jul 14th 2012, 9:15am)
Any reason I can't use a $20 flapper check valve for backflow control? by murrsue (Jul 12th 2009, 11:45am)	19	611	by american irrigation (Nov 2nd 2009, 9:08pm)
Any Backflow Service Providers that want more Backflow work, I have something for you. by hi.todd (Oct 25th 2012, 8:29am)	0	97	No reply
Anti-siphon valves by doinitmyself (Oct 12th 2006, 4:03pm)	2	200	by Wet_Boots (Oct 12th 2006, 6:37pm)
Amusing: 26 stretches (reasons) of why RP backflows should be banned. by nine9s (Feb 13th 2013, 3:18pm)	1	236	by Wet_Boots (Feb 13th 2013, 3:48pm)
Air Gap and Strainer by andrewikon (Apr 27th 2006, 8:28am)	3	268	by Wet_Boots (Apr 28th 2006, 3:08am)
advice for getting new PVB installed by njitgrad (Jun 17th 2013, 9:38am)	5	40	by Central Irrigation (Yesterday, 12:40pm)
A revolution using a cheap backflow concept by vallesj (Jun 5th 2012, 11:17am)	7	319	by ReddHead (Jun 7th 2012, 9:01am)
825Y by jro16 (May 3rd 2006, 7:02pm)	2	99	by xpedient (Jun 25th 2006, 7:28pm)