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
007 Test Cocks by HooKooDooKu (May 17th 2004, 6:58am)	3	1,236	by aquamatic (May 18th 2004, 10:37am)
1" Backflow on a 3/4" Tee?? by Bryan the Homeowner (Jan 14th 2013, 11:16am)	3	770	by Bryan the Homeowner (Jan 18th 2013, 9:49am)
1" backflow preventer in 1 1/4" mailline by grey (Jun 28th 2011, 4:08pm)	4	644	by Mitchgo (Jun 29th 2011, 12:51am)
1" vs. 3/4" by e654562 (Apr 13th 2007, 5:33pm)	10	930	by e654562 (Apr 19th 2007, 5:31am)
1" Watts 800M4FR by ReddHead (Nov 11th 2012, 6:19pm)	3	2,185	by Wet_Boots (Nov 13th 2012, 12:48pm)
3" Wilkins 975? by tehachapibackflow (Jun 10th 2006, 7:32am)	0	647	No reply
3/4" or 1" Backflow by chpsk8 (Mar 17th 2002, 8:16am)	4	982	by Rays Sprinklers (May 22nd 2003, 4:47am)
6 types of back flow preventers by Iiwelshii (May 24th 2013, 7:28am)	0	436	No reply
825y by nick131344 (Jun 7th 2014, 12:40pm)	4	3,170	by Wet_Boots (Jun 8th 2014, 9:21am)
825Y by jro16 (May 3rd 2006, 7:02pm)	2	634	by xpedient (Jun 25th 2006, 7:28pm)