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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	Replies	Views	Last post
sprinkler heads uphill by schrotenboer (Apr 23rd 2003, 9:14am)	4	674	by Rays Sprinklers (May 23rd 2003, 1:10pm)
Sizing for 1-1/4" mainline? by ArrakeenIrrigator (Jun 12th 2007, 3:26pm)	3	1,032	by HooKooDooKu (Jun 13th 2007, 1:12pm)
servicing my BVP by chrisl26 (Mar 18th 2012, 6:23pm)	4	1,401	by Mitchgo (Mar 19th 2012, 4:29pm)
Rust resistant handle replacements by boo (Apr 11th 2007, 5:57am)	1	415	by Wet_Boots (Apr 11th 2007, 1:48pm)
Running valves when water isd shut-off by dad_of_four (Jul 18th 2005, 5:07pm)	3	432	by RidgeRun05 (Jul 19th 2005, 8:48am)
rpz versus pvb??? by tiocareca (Aug 28th 2006, 11:37am)	5	1,179	by Wet_Boots (Aug 29th 2006, 6:46am)
RPZ Re-build quote by Njschaub (May 27th 2014, 11:07am)	1	3,489	by hi.todd (May 27th 2014, 12:52pm)
RPZ Has Constant Drip by LawnDude (Apr 16th 2004, 6:39am)	0	568	No reply
RPZ doesn't seal - new installation by ccimino (Mar 27th 2005, 7:53am)	2	420	by RidgeRun05 (Apr 10th 2005, 11:07am)
RPZ Backflow devices by tinyman (Jun 15th 2007, 11:55pm)	12	2,301	by jimmyburg (Sep 17th 2007, 3:27am)