Which component's operation must be tested in connection with the annual inspection of a sprinkler system?

In the context of an annual inspection of a sprinkler system, it's essential to test various components to ensure the system operates effectively and reliably. Each component plays a critical role in the overall function of the sprinkler system.

Testing pump performance is crucial because the pump is responsible for delivering the necessary water pressure and flow to the sprinkler system. An inadequate pump performance could lead to insufficient water supply during a fire incident, which compromises the system's ability to control or extinguish flames.

The operation of control valves also needs to be assessed because they regulate water flow within the system. If the control valves are not functioning correctly, it can lead to water supply issues, affecting both pressure and availability of water at the sprinkler heads. This is a key safety feature that must be verified during inspections to ensure that the sprinkler system can be activated and will function effectively when needed.

Lastly, the water supply must be tested to ensure that there is an adequate and reliable source of water available for the sprinkler system. Issues with the water supply could result in reduced pressure or flow rates during a fire, rendering the system ineffective.

Each of these components is integral to the proper operation of the sprinkler system. Therefore, testing all of them during the annual inspection is necessary to ensure the system’s readiness