This slide presentation begins by outlining information on several different types of meters, selection of meters, and meter arrangement for fire protection. Topics outlined include: friction loss through meters; friction loss for displacement meters, compound meters, and turbine meters; backflow protection; methods of backflow control; reduced pressure zone backflow assembly; double check valve assembly; six classes of sprinkler systems; backflow preventer approvals; NFPA 13 requirements; fire sprinkler industry concerns; backflow preventers and fire pumps; cost and reliability; backflow preventers and residential systems; and, inspection, testing, and maintenance. Includes tables, figures.