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
FEBCO pvb leaks under pressure by MMERSCH (Aug 11th 2003, 11:21am)	1	936	by Rays Sprinklers (Aug 13th 2003, 8:13am)
leaking valve by bschooly (Jan 20th 2013, 11:17am)	1	934	by Wet_Boots (Jan 20th 2013, 1:34pm)
Febco 765 spewing water by macann (Sep 12th 2005, 5:39pm)	0	934	No reply
Old Double Check Valve by tcameron (Mar 23rd 2003, 3:57am)	4	930	by drpete3 (Mar 27th 2003, 4:28am)
Choosing RPZ brand? by Jim-H (Sep 27th 2011, 8:00am)	2	928	by Wet_Boots (Sep 27th 2011, 5:31pm)
Did I break my backflow preventer? by jsdummy (Apr 18th 2004, 3:39pm)	2	926	by aquamatic (Apr 18th 2004, 5:27pm)
Need some comments... by Yongkee Cho (Mar 31st 2011, 9:15am)	2	916	by Wet_Boots (Apr 1st 2011, 11:17am)
PVB on a water well - ck valve too? by JayG (May 3rd 2006, 9:26am)	1	912	by Wet_Boots (May 3rd 2006, 2:18pm)
Relief spews water when inlet is openned by rwallisch (Jul 25th 2006, 1:37pm)	5	910	by Wet_Boots (Jul 27th 2006, 12:48am)
AVB's installation seems inccorect by coexist (Mar 31st 2016, 12:29pm)	11	907	by Charizard (Jul 26th 2016, 12:13pm)
Febco 765 poppet by jwaler (Jul 14th 2005, 3:54pm)	5	904	by Wet_Boots (Jul 17th 2005, 11:13pm)
Advice, opinions, or just a source of amusement? by manowell (Sep 6th 2015, 6:43pm)	7	898	by Wet_Boots (Sep 8th 2015, 5:44pm)
height of pvb by wilmar p. (Mar 30th 2002, 10:09am)	1	884	by RVLI (Mar 30th 2002, 10:53am)
Backflow prevention by RVLI (Dec 31st 2001, 6:06am)	3	867	by Rays Sprinklers (Jul 24th 2003, 4:35pm)
new zone higher than back flow by jet121 (Aug 1st 2006, 3:04am)	5	862	by jet121 (Aug 3rd 2006, 3:19am)
Does this Backflow prevent inspection sound right? And are fairly new RPZs not worth repairing?? by Wet_Boots (Feb 9th 2013, 11:55am)	1	860	by nine9s (Feb 9th 2013, 1:57pm)
Leaky Union Ball Valve End on Febco P765-1 by Tony57 (Jul 5th 2013, 5:10pm)	1	856	by mrfixit (Jul 6th 2013, 2:14am)
Rainbird 3500 by AK Regan (Jul 19th 2005, 4:11pm)	2	856	by bobw (Jul 20th 2005, 4:19am)
Winterized late - question about RPZ by asif_hu (Mar 10th 2007, 5:09pm)	3	851	by Wet_Boots (Mar 11th 2007, 7:23pm)
007 Test Cocks by HooKooDooKu (May 17th 2004, 6:58am)	3	844	by aquamatic (May 18th 2004, 10:37am)