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
Questions on PVB Assembly by The Corinthian (Dec 17th 2012, 2:30am)	4	2,224	by Wet_Boots (Dec 20th 2012, 9:01pm)
design for sprinkler system by wcgardner1 (Jan 9th 2007, 9:49am)	1	2,133	by HooKooDooKu (Jan 9th 2007, 6:55pm)
Febco 765 leaking when using compressor for winterization by damifino (Nov 5th 2010, 3:16pm)	4	2,115	by debo (Dec 10th 2010, 7:09pm)
Placement of Backflow Device (Watts Double Check) by phughes (Nov 13th 2003, 3:06am)	8	2,094	by David (Sep 13th 2004, 8:51am)
internals diagram of Watts 800M4 PVB? by OlieNH (Jun 3rd 2011, 1:49pm)	1	2,092	by worachj (Jun 3rd 2011, 2:06pm)
Any reason I can't use a $20 flapper check valve for backflow control? by murrsue (Jul 12th 2009, 11:45am)	19	2,050	by american irrigation (Nov 2nd 2009, 9:08pm)
Repair or replace backflow Wilkins 975 xl by Hipeye01 (May 24th 2012, 12:43am)	13	2,045	by Wet_Boots (Jun 27th 2012, 10:49am)
Placement of Pressure Vacuum Backflow Device by ericnash (Jul 26th 2013, 7:56am)	3	1,993	by hi.todd (Aug 29th 2013, 9:00pm)
BACKFLOW PREVENTION CAGE by JerryWingo (Jul 1st 2014, 6:44am)	0	1,946	No reply
backflow testing by burley (May 31st 2007, 8:42pm)	8	1,937	by Fertigation Guru (Jun 5th 2007, 10:40am)