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 765-1 Leaking by kaje (Jun 29th 2011, 8:15am)	4	1,066	by kaje (Jun 29th 2011, 10:51am)
1" backflow preventer in 1 1/4" mailline by grey (Jun 28th 2011, 4:08pm)	4	565	by Mitchgo (Jun 29th 2011, 12:51am)
Wye Strainer by aswilburn (Jun 22nd 2011, 1:08am)	3	438	by Wet_Boots (Jun 23rd 2011, 1:09pm)
Wilkins 420 or 720AA? by handyandy? (Jun 18th 2011, 1:19pm)	1	525	by Wet_Boots (Jun 18th 2011, 1:26pm)
Febco Clanging by mcdonnellk (Jun 15th 2011, 9:33am)	1	390	by Wet_Boots (Jun 15th 2011, 10:16am)
Good filter? by aswilburn (Jun 15th 2011, 1:32am)	1	358	by Wet_Boots (Jun 15th 2011, 8:09am)
internals diagram of Watts 800M4 PVB? by OlieNH (Jun 3rd 2011, 1:49pm)	1	1,821	by worachj (Jun 3rd 2011, 2:06pm)
watts bpd causing sudden pressure loss? by reduck (May 24th 2011, 7:44pm)	5	771	by reduck (May 27th 2011, 6:20am)
Best way to install PVB by wsommariva (May 15th 2011, 7:53am)	6	1,312	by wsommariva (May 18th 2011, 1:58pm)
Water Flowing out Vacuum Breaker by JB (May 5th 2011, 8:41am)	1	570	by Wet_Boots (May 5th 2011, 7:25pm)