This air gap is designed for 2 1/2 to 10 inch reduced pressure zone assembly, series 957 to provide an unobstructed, physical separation between the discharge end of a potable water supply line and an open receiving vessel. This air gap is designed to collect water that is being discharged by the relief valve and can be installed vertically or horizontally (vent elbow required for vertical installation).
WATTS® Air Gap, Series: 957, For Use With: Model 957 2-1/2 to 10 in Reduced Pressure Zone Assemblies, 2 in NPT
Series
957
Specifications
2 in NPT
Suitable For Use With
Model 957 2-1/2 to 10 in Reduced Pressure Zone Assemblies
- Plastic construction
- Nuisance discharge
- Inquire with governing authorities for local installation requirements