Watts 2 1/2"-4" 757/957 2nd Check Assembly
Details
Details
Watts: 0889371 - 2 1/2"-4" Second Check Assembly 957/957RPDA (Same as Ames 7010029 & 7018130)
Kit Includes: Second Check Module, Check Module O-ring and Lube
Manufacturer: Watts
Size: 2 1/2 Inch, 3 Inch, 4 Inch
Product model: 957 / 957N / 957Z, 957RPDA
Size: 2 1/2 Inch, 3 Inch, 4 Inch
Product model: 957 / 957N / 957Z, 957RPDA
957 / 957N / 957Z Installation and Maintenance Instructions 957 / 957N / 957Z Specification Sheet 957 / 957N / 957Z Relief Valve Discharge Rates 
957 & 957RPDA 2 1/2''-6'' Backflow Preventer Repair