At what frequency shall a preaction sprinkler system valve be trip tested with the control valve fully open?
b. every 3 years
c. every 5 years
d. every 10 years
Solution | Posted 07/20/20
b. Preaction sprinkler system valves must be trip tested with the control valve fully open every three years, per NFPA 25-2017 Section 220.127.116.11.2.
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