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
right size backflow by Joseph L. Swinehart (Oct 23rd 2003, 4:22pm)	13	2,277	by Rays Sprinklers (Nov 15th 2003, 12:48pm)
Installing a Vacuum Breaker Backflow Prevention Device by TeaMan (Sep 5th 2011, 7:49am)	12	4,001	by HooKooDooKu (Sep 14th 2011, 12:31pm)
favorite backflow by jimmyburg (Oct 31st 2007, 10:13am)	12	2,801	by jimmyburg (Nov 12th 2007, 5:37am)
RPZ Backflow devices by tinyman (Jun 15th 2007, 11:55pm)	12	2,276	by jimmyburg (Sep 17th 2007, 3:27am)
How to replace a Febco 765-1 by dagranoff (May 12th 2007, 4:13pm)	12	10,184	by lush96 (May 17th 2007, 7:16pm)
Hooking air compressor to FEBCO 765 by DavidQ (Oct 23rd 2004, 8:34am)	12	5,962	by DavidQ (Oct 7th 2005, 11:35am)
Putting Double Check Valve Assembly before anti-siphon valve? by abishur (Apr 7th 2011, 8:46am)	10	2,345	by Wet_Boots (Apr 10th 2011, 3:50pm)
1" vs. 3/4" by e654562 (Apr 13th 2007, 5:33pm)	10	882	by e654562 (Apr 19th 2007, 5:31am)
New to board and sprinkler systems... got a few estimates and need advice. by jrmtl (Oct 23rd 2012, 8:00am)	9	2,090	by mrfixit (Oct 25th 2012, 9:28pm)
Backflow Preventer Placement help by Chuckface (Sep 13th 2011, 7:47am)	9	4,227	by HooKooDooKu (Sep 30th 2011, 10:03am)