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What restrictions affect backflow preventer installation?

April 26, 2017affect backflow installation Preventer

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What restrictions affect backflow preventer installation?

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There are many restrictions that control the installation of backflow preventers. Only SOME of them are listed below. The restrictions below usually influence the type of backflow preventer that you select. Once you have selected a type of backflow preventer, you should contact your local permit office for a detailed list of installation restrictions.