Which of the following must be checked during the visual inspection of sprinkler heads?

During the visual inspection of sprinkler heads, it is essential to check multiple aspects to ensure the system’s effectiveness and reliability. The inclusion of factors such as pressure gauge readings, placement of heads, and pipe fittings demonstrates a comprehensive approach to evaluating the sprinkler system.

Inspecting the pressure gauge readings is critical as it indicates whether the system is operating at the appropriate pressure. This ensures that the sprinklers can deliver water effectively in case of a fire.

The placement of heads is also a key consideration, as it affects the coverage area and ensures that all parts of the space are adequately protected. Misplaced sprinkler heads can leave areas vulnerable to fire hazards.

Lastly, checking pipe fittings is important to ensure that there are no leaks or improper connections that could compromise the entire system's function. Properly installed pipe fittings contribute to maintaining the system's integrity.

By verifying all these elements during a visual inspection, you ensure that the sprinkler system is functioning optimally and is prepared to respond effectively in an emergency situation, making a holistic inspection necessary.