Watts RK 919-RT 1 1/4-1 1/2 - Part of the RK-919 Series ZA100F-4NH with strainer sizes from 5″×5″

with strainer sizes from 5″×5″ up to 8″×8″

and institutional flat roof systems

helping sweep debris and residue toward the outlet and minimizing build-up or standing matter

It features a deep 6″ sump and acid-resisting enamel interior to resist chemical attack

Watts RK 919-RT 1 1/4-1 1/2 - Part of the RK-919 Series ZA100F-4NH with strainer sizes from 5″×5″This complete valve rubber repair kit provides all the parts necessary to repair or replace all the rubber parts of a 1 1 4 and 1 1 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