Watts 994-OSY-FS 4 - Part of the 994 Series Z100F-8NH Z456-3NH-6B

Z456-3NH-6B

This Watts Drains 15 inch round

Thread connections

Specifications Kit Type Check Rubber Parts Kit Lead Free YES Product Group BACKFLOW KITS UPC - 098268386158

and frequent service

Watts 994-OSY-FS 4 - Part of the 994 Series Z100F-8NH Z456-3NH-6BThis 4 inch lead free reduced pressure zone assembly backflow preventer help stop the reverse flow of liquids due to backpressure or backsiphonage, where potential health hazard exists. Its compact modular design facilitates easy maintenance with a single access cover for in line repairs. This assembly consists of a short lay length stainless steel body, test cocks, corrosive resistant stainless steel bottom mounted relief valve, torsion spring check