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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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by lgnguyen (Jul 25th 2003, 7:04pm)

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by mjoppru (May 24th 2004, 4:11pm)

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