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A main drain test must be conducted on every sprinkler system at least yearly. In addition to the main drain test, other tests are required depending on the type of sprinkler system.
Other system components require regular testing including, automatic sprinkler heads, sprinkler system gauges, alarm devices, low air pressure switches, quick opening devices, and anti-freeze solutions.
All sprinkler control valves must be operated through their full range of movement at least annually.
In addition to the regular inspection and testing of sprinkler valves, they also require routine maintenance to remain operable.
Some sprinkler system components must be repaired or replaced on a specific schedule. Other components must be repaired when damage is detected during routine inspections and tests.
© Hughes Associates,Inc. 2012