The Ames 3000CIV is a double check detector assembly (DCDA). It was available in 2 1/2″-10″ sizes and was produced from 1998-2007. The body was made of cast iron with a fused epoxy coating. The 3000CIV utilized a 1/2″ Watts 007 for the bypass assembly. The 3000CIV was an Ames private label of the Watts 709DCDA.