A must for every library!

Details types of backflow prevention devices available for cross connection protection. Summary of backflow conditions & methods of eliminating or minimizing their possible dangers. A must for those in specification, installation & inspection of cross connection control devices. Exceptional tool for classes in cross connection control. Contains application chart on the current types of backflow prevention devices, applicable degrees of hazard & recommendations for installation. This publication replaces the Cross Connection Protection Devices book.

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