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
question about backflow preventer by mosida (Sep 29th 2004, 10:50am)	0	325	No reply
question about backflow preventer by redwine (Apr 6th 2002, 6:00pm)	0	389	No reply
PVB vs double check by bnorth (Aug 26th 2004, 7:19pm)	1	580	by HooKooDooKu (Aug 29th 2004, 5:33pm)
PVB sizing by cozz55 (Jul 5th 2010, 9:16am)	1	718	by Wet_Boots (Jul 5th 2010, 12:04pm)
PVB sizes by ablkop (Apr 28th 2010, 3:10pm)	4	1,025	by ablkop (Apr 30th 2010, 11:48am)
PVB Replacement by menace4258 (May 19th 2015, 6:52pm)	1	1,829	by Wet_Boots (May 20th 2015, 12:49am)
PVB problem. by beocop (Jun 28th 2005, 6:13am)	2	613	by RidgeRun05 (Jun 28th 2005, 12:25pm)
PVB not working? by outdoorjunkie (Aug 12th 2011, 12:28pm)	7	1,942	by Wet_Boots (Sep 14th 2011, 9:21am)
PVB leaking by BeeMystic (Aug 21st 2013, 4:57pm)	5	2,471	by Wet_Boots (Aug 22nd 2013, 8:13am)
PVB Installation - What the heck did the original installers do? by RSS (Apr 4th 2016, 11:45am)	8	643	by RSS (Apr 7th 2016, 12:17am)
PVB back flow placement by Gilly Orchard (Jun 25th 2010, 5:48pm)	4	1,898	by Wet_Boots (Jun 27th 2010, 6:04am)
PVB on a water well - ck valve too? by JayG (May 3rd 2006, 9:26am)	1	925	by Wet_Boots (May 3rd 2006, 2:18pm)
Putting Double Check Valve Assembly before anti-siphon valve? by abishur (Apr 7th 2011, 8:46am)	10	3,415	by Wet_Boots (Apr 10th 2011, 3:50pm)
putting an RPZ underground by whwork (Aug 19th 2002, 6:02am)	2	1,623	by whwork (Aug 21st 2002, 8:44am)
Problem with a Febco 825Y, help needed by omahamike (Sep 1st 2010, 4:02pm)	2	834	by Wet_Boots (Sep 2nd 2010, 4:07pm)
Problem on startup with Febco765 by Peinecone (Oct 3rd 2007, 12:59pm)	2	791	by Peinecone (Oct 3rd 2007, 7:00pm)
PRESSURE VACUUM BREAKER WILKINS MOD_420 by JA95606 (Feb 4th 2007, 10:51am)	5	3,259	by hi.todd (Apr 7th 2010, 8:07pm)
Pressure Vacuum Breaker by Kwanho Lee (Aug 29th 2005, 8:07am)	1	503	by RidgeRun05 (Aug 29th 2005, 1:33pm)
Pressure Drop Through Backflow Device by craigwagner6 (Aug 18th 2003, 6:36am)	6	2,529	by Rays Sprinklers (Aug 31st 2003, 1:09pm)
Please help...dont know what is going on... by Mouse51180 (Feb 12th 2009, 4:59pm)	4	1,353	by OSLSprinkler (Mar 24th 2009, 10:08am)