NFPA 25, Standard for the Inspection, Testing, and Maintenance of Water-Based Fire Protection Systems 2026

NFPA 25, 2026 Edition

NFPA 25, Standard for the Inspection, Testing, and Maintenance of Water-Based Fire Protection Systems, 2026 Edition provides the current requirements for inspection, testing, and maintenance of water-based fire protection systems. It is intended to help professionals keep systems such as automatic sprinklers properly maintained and ready to perform when needed. The 2026 edition includes updates covering areas such as older dwelling-unit sprinklers, antifreeze mixtures, valve inspections, fire department connections, corrosion-inhibiting systems, and sprinklers exposed to fire events. 

Ideal for: fire protection professionals, sprinkler contractors, inspectors, facility managers, maintenance personnel, and authorities having jurisdiction (AHJs). NFPA identifies NFPA 25 as the primary standard for ITM of water-based fire protection systems.