12yr Hydrostatic Test Due: (1) Amerex KP-375 System (2012 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. The proposal below is all-inclusive and includes all parts and labor. You can accept this proposal electronically or contact me directly. Kitchen Suppression Repair Amerex Model 375 KP-375 Kitchen: Performed inspection and the Amerex Kp