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
What is required for San Diego? Residential sprinklers by pdragn78 (Oct 29th 2012, 10:50am)	2	1,184	by pdragn78 (Nov 1st 2012, 12:06am)
What kind of backflow prevention valves do I need? by Yong (Mar 15th 2011, 8:51am)	2	1,799	by Wet_Boots (Mar 16th 2011, 7:01am)
what type of device do i need by plumberbrett (Oct 3rd 2005, 1:37pm)	1	635	by Wet_Boots (Oct 4th 2005, 2:17pm)
What Type of Pipe to Install to the RPZ by maximus20895 (Oct 18th 2015, 9:42pm)	3	862	by Wet_Boots (Oct 19th 2015, 8:33am)
Where did the water come from? by strickl (Apr 10th 2006, 10:01am)	1	882	by BSME (Apr 12th 2006, 5:24am)
Where to get Lawnlife parts by Lawnguyz (Jun 25th 2012, 7:57pm)	8	2,983	by Wet_Boots (Jun 28th 2012, 7:40am)
Which backflow device and why by Spaulding (Sep 18th 2003, 4:06am)	3	797	by Rays Sprinklers (Sep 19th 2003, 1:03pm)
which backflow do I choose by brome99 (Jun 4th 2007, 5:18pm)	2	879	by JohnnyG101 (Jun 7th 2007, 4:01am)
Which Backflow Preventer do i need...? by OscarNav (Jul 10th 2004, 10:26pm)	5	1,812	by Wet_Boots (Apr 26th 2005, 5:05pm)
which brand model RPZ for a system on a private well? by nine9s (Feb 11th 2013, 6:21pm)	5	1,620	by nine9s (Feb 12th 2013, 10:00am)
Which one you recommend?? by vckreddy (May 17th 2007, 11:43am)	2	1,205	by vckreddy (May 17th 2007, 4:21pm)
Wilkins 420 or 720AA? by handyandy? (Jun 18th 2011, 1:19pm)	1	943	by Wet_Boots (Jun 18th 2011, 1:26pm)
Wilkins 420 spewing water sometimes by ekbergman (Jul 16th 2004, 11:26am)	0	533	No reply
Wilkins 720 A 1" ...old style needed by DrewZ (Jun 6th 2013, 8:32pm)	5	1,729	by Wet_Boots (Jun 7th 2013, 10:25am)
Wilkins 720-a vs Conbraco 505-02 by gh1120 (Jun 1st 2009, 4:41am)	1	834	by Wet_Boots (Jun 1st 2009, 5:44am)
Wilkins 975XL - Flow Problem - NO Leaks by dblackburn (Oct 24th 2016, 8:20am)	1	447	by Wet_Boots (Oct 25th 2016, 8:44am)
Wilkins 975XL 1 in. RPZ Backflow Preventer by RawlinsJ (Jun 4th 2017, 1:21am)	0	459	No reply
Wilkins Back flow device by bogey1112 (Apr 11th 2011, 9:05pm)	2	885	by Wet_Boots (Apr 12th 2011, 12:06pm)
Wilkins question that got emailed to me by Wet_Boots (May 3rd 2009, 11:15am)	1	1,291	by backflow505 (Jan 16th 2010, 8:23pm)
Wilkins vs. Febco by r0nj0n3s (May 29th 2012, 7:51pm)	2	1,920	by Wet_Boots (May 30th 2012, 6:20am)