Watts RK 919-RT 2 - Part of the RK-919 Series Strata Systems This 3/4 inch bronze union

This 3/4 inch bronze union elbow is used in steam and hot water systems

small area roof drain features a flashing clamp with integral gravel stop

has an iron body with 20 mesh screen

Features Provides positive gravity shutoff when circulator is not running

These warning pavers are the Cast in Place style and are engineered to be installed after a new concrete pour

Watts RK 919-RT 2 - Part of the RK-919 Series Strata Systems This 3/4 inch bronze unionThis complete valve rubber repair kit provides all the parts necessary to repair or replace all the rubber parts of a 2 inch reduced pressure zone assembly backflow preventer, model 919. This kit consists of 2 check seat O rings, 2 check cover O rings, relief valve O ring, relief valve cover O ring, relief valve stem O ring, check rubber, relief valve diaphragm, quad ring, and relief valve disc. Features Factory replacement kit No special tools