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
Stuck Diaphragm on Watts Back Flow Preventer by wallace1 (Sep 16th 2012, 1:18pm)	7	847	by Wet_Boots (Sep 28th 2012, 12:38pm)
Putting Double Check Valve Assembly before anti-siphon valve? by abishur (Apr 7th 2011, 8:46am)	10	892	by Wet_Boots (Apr 10th 2011, 3:50pm)
Febco Double Check Assembly by G82 (May 13th 2008, 7:51am)	9	895	by HooKooDooKu (May 15th 2008, 8:38am)
Watts PVB by Sprinkler_Newbie (Apr 8th 2010, 11:27am)	2	913	by HooKooDooKu (Apr 13th 2010, 9:47pm)
backflow preventer concerns by Frankpc (Oct 31st 2011, 10:21am)	14	920	by Frankpc (Nov 6th 2011, 7:44am)
favorite backflow by jimmyburg (Oct 31st 2007, 10:13am)	12	949	by jimmyburg (Nov 12th 2007, 5:37am)
Febco 765 leaking when using compressor for winterization by damifino (Nov 5th 2010, 3:16pm)	4	988	by debo (Dec 10th 2010, 7:09pm)
Atmostpheric Vacuum Breaker broken - now replacement? by desmo907 (Aug 28th 2010, 8:13pm)	6	1,020	by desmo907 (Sep 2nd 2010, 3:32pm)
Backflow or Anti-siphon valve? by Loco-Engineer (May 16th 2003, 12:49pm)	7	1,057	by mugentuner (Feb 23rd 2004, 4:59pm)
Winerizing (blowout) sprinkler with Wilkins 975XL RP - Where to attach? by creeker69 (Oct 3rd 2010, 12:09pm)	6	1,060	by creeker69 (Oct 10th 2010, 10:55am)