Search results with tag "A reduced pressure backflow preventer"

SYSTEM 2000® FRONTIER - Energy Kinetics

5 Principle of Operation - Energy Manager 18 15 Zone Manager Installation Instructions ... If antifreeze is used, a reduced pressure backflow preventer device shall be used. INSTALLER NOTE: ... backflow preventer, and all other devices must be piped to the nearest drain to avoid damage in the event the valve is actuated.

  Principles, System, Pressure, Reduced, 2000, Backflow, Preventer, Backflow preventer, System 2000, A reduced pressure backflow preventer