Ames Co. has introduced the ATG-1 Backflow Preventer Test Kit, which comes complete with a differential pressure gauge, hoses, adapters, bungee strap, laminated instructions and a carrying case. The ATG-1 is a compact portable testing device made for testing all Reduced Pressure Zone Backflow Prevention Assemblies and Double Check Valve Assemblies. The ATG-1 is easily connected to any RPZ device, enabling accurate testing of 'zone' differential pressure, relief valve opening differential, fouled check valves or similar problems that visual inspections cannot locate.Ames Co.