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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New thread

Threads

	Replies	Views	Last post
3/4" or 1" Backflow by chpsk8 (Mar 17th 2002, 8:16am)	4	917	by Rays Sprinklers (May 22nd 2003, 4:47am)
Old Double Check Valve by tcameron (Mar 23rd 2003, 3:57am)	4	738	by drpete3 (Mar 27th 2003, 4:28am)
Pressure Reducing by Lugnut (Aug 20th 2014, 8:06pm)	3	25,162	by Central Irrigation (Aug 21st 2014, 1:01pm)
Placement of Pressure Vacuum Backflow Device by ericnash (Jul 26th 2013, 7:56am)	3	1,858	by hi.todd (Aug 29th 2013, 9:00pm)
Needing to replace PVB Assembly by mihomeowner (May 25th 2013, 3:46pm)	3	1,342	by Scott76 (May 27th 2013, 2:09pm)
1" Backflow on a 3/4" Tee?? by Bryan the Homeowner (Jan 14th 2013, 11:16am)	3	742	by Bryan the Homeowner (Jan 18th 2013, 9:49am)
wanted: broken bonnets (poppets okay too) from Febco 1" PVB by Hovik (Nov 19th 2012, 6:50pm)	3	883	by Wet_Boots (Nov 21st 2012, 10:11am)
1" Watts 800M4FR by ReddHead (Nov 11th 2012, 6:19pm)	3	2,025	by Wet_Boots (Nov 13th 2012, 12:48pm)
DIY oops with Wilkins 975XL by rlowrie (Jun 23rd 2012, 11:27am)	3	924	by hi.todd (Jun 23rd 2012, 12:55pm)
backflow size question by wilky5187 (May 17th 2012, 11:08am)	3	520	by Wet_Boots (May 18th 2012, 8:02am)