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NFPA 25
Select one of the codes to find out more
information that relates to your facility.
NFPA 25 requires annual inspections of the following:
Wet Fire Sprinkler Systems -
accompanied by tamper switches and water flow devices
Dry Fire Sprinkler Systems -
(partial trip test) accompanied by pressure switches & air compressor (every third year a full trip test is required)
Pre-action Fire Sprinkler Systems -
electronics need to be inspected (every fifth year all gauges are to be re-calibrated or replaced)
Fire Sprinkler System Back Flow Preventers -
located at the sprinkler riser (anywhere from 2" - 10" typically)
Domestic Back Flow Preventers -
not tied to fire sprinkler system (usually 1" - 3")
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