How many spare sprinklers are required for a system with 1-300 sprinklers?

The requirement for spare sprinklers is based on the total number of sprinklers installed in the system and is generally guided by industry standards, such as those outlined in the National Fire Protection Association (NFPA) codes. For systems with 1-300 sprinklers, the recommended number of spare heads is typically 6.

This guideline ensures that in the event of a sprinkler head needing replacement—due to damage or malfunction—there are enough spare heads available to maintain the system’s effectiveness. The recommendation of 6 spare heads allows for substituting multiple heads while still having an adequate reserve for future needs, thus ensuring compliance with safety regulations. This practice contributes to the overall reliability and functionality of the fire protection system, minimizing the risk of having insufficient equipment during emergencies.