This is a double check detector assembly. Production began in 1998. In 1997 the Ames Company was purchased by Watts Regulator Company. Ames began to market the Watts 007 DCDA as their Model 3000B.
Common repair parts are a very small subset of the 10,000 plus items BAVCO stocks.
Please feel free to contact us direct at 800-458-3492 for pricing on items not listed
or backflow prevention devices.