The Febco 825D/825YD is a reduced pressure assembly. It was available in 2 ½” – 10” sizes and was produced from 1988 – 2014. The body was made of ductile iron with a fused epoxy coating. In 1989 the 825D was discontinued and replaced with the 825YD. The 825D & 825YD use the same repair parts for the check assemblies but the relief valve assembly was changed.
American Backflow Products Company