Watts RK 919-RT 1 1/4-1 1/2 - Part of the RK-919 Series Drain Fitting The standard pressure settings is

The standard pressure settings is 75 psi (5

parking lots

Standard no-hub outlet (various sizes available) for easy piping connection

This repair kit is for the replacement of the 1/4 and 1/2 inch Watts backflow preventer relief valve cover

It can be installed horizontally or vertically

Watts RK 919-RT 1 1/4-1 1/2 - Part of the RK-919 Series Drain Fitting The standard pressure settings isThis 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