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
rpz versus pvb??? by tiocareca (Aug 28th 2006, 11:37am)	5	1,941	by Wet_Boots (Aug 29th 2006, 6:46am)
back flow problem and question by Scully 7 (Mar 27th 2011, 4:48pm)	4	1,937	by Wet_Boots (Mar 30th 2011, 2:11pm)
PVB Replacement by menace4258 (May 19th 2015, 6:52pm)	1	1,929	by Wet_Boots (May 20th 2015, 12:49am)
Questions on PVB Assembly by The Corinthian (Dec 17th 2012, 2:30am)	4	1,923	by Wet_Boots (Dec 20th 2012, 9:01pm)
backflow preventer for uphill zone by burley (May 31st 2007, 9:06pm)	5	1,915	by burley (Jun 4th 2007, 6:48pm)
Which Backflow Preventer do i need...? by OscarNav (Jul 10th 2004, 10:26pm)	5	1,915	by Wet_Boots (Apr 26th 2005, 5:05pm)
Backflow device for well application by wmross (Sep 15th 2013, 2:30am)	1	1,881	by Wet_Boots (Sep 15th 2013, 9:47am)
wanted: broken bonnets (poppets okay too) from Febco 1" PVB by Hovik (Nov 19th 2012, 6:50pm)	3	1,864	by Wet_Boots (Nov 21st 2012, 10:11am)
Febco 765-1 Leaking by kaje (Jun 29th 2011, 8:15am)	4	1,860	by kaje (Jun 29th 2011, 10:51am)
What kind of backflow prevention valves do I need? by Yong (Mar 15th 2011, 8:51am)	2	1,856	by Wet_Boots (Mar 16th 2011, 7:01am)
Austin area backflow devices by huttoauto (May 3rd 2010, 8:51pm)	4	1,834	by Fireguy97 (Jul 2nd 2010, 12:28pm)
servicing my BVP by chrisl26 (Mar 18th 2012, 6:23pm)	4	1,827	by Mitchgo (Mar 19th 2012, 4:29pm)
Watts vs. Febco by thedavegw (May 10th 2006, 6:28pm)	3	1,826	by xpedient (Jun 25th 2006, 5:56pm)
USE WITH FERTIGATOR by QUAQUA1973 (Apr 2nd 2005, 5:52am)	2	1,824	by nestors (Apr 7th 2005, 8:31am)
Wilkins 720 A 1" ...old style needed by DrewZ (Jun 6th 2013, 8:32pm)	5	1,801	by Wet_Boots (Jun 7th 2013, 10:25am)
AVB's installation seems inccorect by coexist (Mar 31st 2016, 12:29pm)	11	1,786	by Charizard (Jul 26th 2016, 12:13pm)
Watts PVB by Sprinkler_Newbie (Apr 8th 2010, 11:27am)	2	1,769	by HooKooDooKu (Apr 13th 2010, 9:47pm)
febco 765-1 top exploding AFTER brand new bonnet replacement...help by JD (May 30th 2009, 9:31pm)	2	1,768	by candgriffith (Jun 1st 2009, 3:07pm)
Water Flowing out Vacuum Breaker by JB (May 5th 2011, 8:41am)	1	1,720	by Wet_Boots (May 5th 2011, 7:25pm)
Installing a PVB in the Basement by rcklingaman (Apr 10th 2008, 2:26pm)	5	1,709	by OSLSprinkler (Mar 24th 2009, 3:32pm)