Watts WB-N4 - Part of the WB Series Pipe Connection Fitting This first check valve kit

This first check valve kit is used to repair or replace the first check on a 6 inch lead free double check detector assembly and used to prevent the reverse flow of polluted water from entering into the potable water supply

and cover O-ring relief valve spring

UPC - 098268236651

The HDPE material is waterproof and can act as a water barrier to prevent damage to drywall and wood from frequent water exposure

This product meets the reduced Q test statistic criteria of 0

Watts WB-N4 - Part of the WB Series Pipe Connection Fitting This first check valve kitThis WattsBox insulated enclosure protects backflow prevention assemblies, such as PVBs, double checks, and RPZs, that are subjected to freezing conditions. The enclosure consists of reinforced aluminum construction, providing access through lockable doors and or a hinged lid for testing and certification purposes. It has a means for a permanent anchor and is completely removable for maintenance purposes. It has drain openings that are protected