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
BEST RP BackFlo? Wilkins -or- Febco by florida_wen (Feb 21st 2006, 4:54am)	4	854	by Wet_Boots (Feb 21st 2006, 12:31pm)
Do I even need a PVB valve? by equalizir (Dec 9th 2010, 12:31pm)	1	836	by hi.todd (Dec 12th 2010, 3:35pm)
How do you know when it's time to replace valves? by whatsavalve (Sep 26th 2011, 1:40pm)	5	825	by wallace1 (Sep 28th 2012, 11:05am)
Pressure Drop Through Backflow Device by craigwagner6 (Aug 18th 2003, 6:36am)	6	824	by Rays Sprinklers (Aug 31st 2003, 1:09pm)
Back flow by Istorch (May 1st 2010, 3:33pm)	6	823	by hi.todd (Jun 18th 2010, 10:29pm)
Any reason I can't use a $20 flapper check valve for backflow control? by murrsue (Jul 12th 2009, 11:45am)	19	821	by american irrigation (Nov 2nd 2009, 9:08pm)
Backflow Preventer spitting water by muknlu (Jul 30th 2006, 11:10pm)	2	821	by xpedient (Aug 8th 2006, 5:33pm)
Leaking Test Cocks and Cracked Canopy by pinbill (Apr 22nd 2012, 8:48pm)	6	819	by pinbill (Apr 23rd 2012, 9:21pm)
New to board and sprinkler systems... got a few estimates and need advice. by jrmtl (Oct 23rd 2012, 8:00am)	9	814	by mrfixit (Oct 25th 2012, 9:28pm)
Vibrating PVB by bdnannac (Jul 17th 2012, 12:58pm)	6	808	by bdnannac (Jul 18th 2012, 4:37pm)