Description
Watts 957RPDA OSY GPM FS 6 Part of the 957RPDA Series geogrid a loose set porcelain enamel a loose set porcelain enamel coated cast iron grate with 15 square inch free area This 2 1 2 inch lead free testable reduced pressure detector backflow preventer assembly prevents the reverse flow of fire protection system substances from being pumped or siphoned into the potable water supply