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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by Hovik (Nov 19th 2012, 6:50pm) |
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by Wet_Boots (Sep 19th 2011, 4:56pm) |
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(May 23rd 2003, 1:10pm) |
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