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NFPA 25, 2011 edition,

Question asked by tjulka on Jan 31, 2019
Latest reply on Feb 5, 2019 by nocivus

NFPA 25 , 2011 edition, states, “In systems where the sole water supply is through a backflow preventer and/or pressure reducing valves, the main drain test of at least one system downstream of the device shall be conducted on a quarterly basis.”

Question: Is a single check valve on the sole water supply considered a backflow preventer for the purposes of NFPA 25, 2011 edition,