2024 NFPA 17A Standard for Wet Chemical Extinguishing Systems

NFPA 17A, Standard for Wet Chemical Extinguishing Systems 2024 edition establishes mandatory requirements for the design, installation, operation, testing, and maintenance of wet chemical extinguishing systems through their full lifecycle. Coverage focuses on fixed nozzle and piping systems that discharge wet chemical agents by means of expellant gas, with primary application in restaurant and institutional cooking hood, plenum, duct, and appliance protection. The standard addresses system components, plans and specifications, acceptance testing, inspection, maintenance, and recharging requirements — and the 2024 edition expands coverage of institutional cooking environments, system components, and common deficiency and impairment identification.

Who Uses NFPA 17A

Required by fire protection engineers, suppression system designers and contractors, AHJ officials, facility managers, and ITM service providers responsible for the design, installation, and ongoing maintenance of wet chemical extinguishing systems in commercial and institutional kitchen and cooking environments.

What's New in the 2024 Edition

The 2024 edition delivers focused updates across cooking environment coverage and system component requirements, including:

• Updated requirements for institutional hoods, plenums, ducts, and associated cooking appliances.
• Revised requirements for nozzles, piping, and overall system components.
• New and expanded coverage of common deficiencies and impairments.

Stay compliant with the wet chemical extinguishing system requirements in effect for your application and jurisdiction.

Free standard shipping on all orders. Need multiple copies? Contact us for bulk pricing.