12-year Hydrostatic Test Past Due: (Red Tagged) Ansul 15-Gallon System (2010 Manufacture Date) During your most recent Fire Protection Inspection, our technicians noted that one or more of your Fire Suppression Tanks are due for a hydrostatic test per: NFPA 17A: 7.5.1 The following parts of wet chemical extinguishing systems shall be subjected to hydrostatic pressure testing at intervals not exceeding 12 years: Wet Chemical Containers Auxiliary Pressure Containers Hose Assemblies Fire Suppression Tanks are required to be pressure tested using water or some other non-compressible fluid to help prevent unwanted failure or rupture of the cylinder. NFPA 17A also requires the replacement of the cartridge used to expel suppression chemical hoses, o-rings, and burst discs. Equipment Line-Up Change - Deficiency System Re-Pipe Needed After the semi-annual kitchen suppression inspection, it was found that the appliance lineup has changed. The kitchen suppression system does not have the corre