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
Rain Bird ASVF Series by j.m. (Aug 13th 2002, 4:59pm)	3	653	by Rays Sprinklers (Jul 24th 2003, 4:25pm)
3" Wilkins 975? by tehachapibackflow (Jun 10th 2006, 7:32am)	0	650	No reply
1" backflow preventer in 1 1/4" mailline by grey (Jun 28th 2011, 4:08pm)	4	645	by Mitchgo (Jun 29th 2011, 12:51am)
Where did the water come from? by strickl (Apr 10th 2006, 10:01am)	1	644	by BSME (Apr 12th 2006, 5:24am)
My Design with RP by spinman1949 (Oct 8th 2012, 11:50am)	0	642	No reply
825Y by jro16 (May 3rd 2006, 7:02pm)	2	640	by xpedient (Jun 25th 2006, 7:28pm)
How to Replace Wilkins 740A by vckreddy (May 19th 2007, 10:11am)	0	639	No reply
Water Flowing out Vacuum Breaker by JB (May 5th 2011, 8:41am)	1	630	by Wet_Boots (May 5th 2011, 7:25pm)
Febco 765 dripping, possible freeze by rftt (Jan 20th 2007, 1:35pm)	1	629	by SprinklerGuy (Jan 22nd 2007, 2:53am)
Inside Install of a Febco RPZ by ALEXANDER (Jan 21st 2002, 6:21am)	1	623	by SprinklerWarehouse Irriga (Jan 21st 2002, 3:37pm)