How many spare sprinklers are required for systems containing between 300 to 1,000 sprinklers?

In systems containing between 300 to 1,000 sprinklers, the requirement for spare sprinklers is typically set to ensure that there are enough replacements available for maintenance and unexpected failures. The standard guideline in this scenario is to have a minimum of 12 spare sprinklers. This figure is designed to cover a range of potential issues, ensuring that routine repairs and replacements can be managed without significant disruption to the system's functionality.

Having 12 spare sprinklers allows technicians to swiftly address minor problems without the need for extensive delays in operational capacity. When considering options, this number is derived from industry best practices that balance the necessity for spare parts against manageable inventory levels. It ensures adequate coverage while remaining practical for technicians in terms of storage and accessibility.