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Section 890.1130 Protection of Potable Water

g) Installation of Devices or Assemblies.

5) Double Check Valve, and Reduced Pressure Principle Backflow Preventer Assemblies. No in-line double check valve backflow preventer assembly (DCV) or reduced pressure principle backflow preventer assembly (RPZ) shall be located more than 5 feet above a floor, or be installed where it is subject to freezing or flooding conditions.]]> Tue, 5 Nov 2013 22:44:51 GMT