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

and service corridors where combined surface and floor drainage is required

including construction site enclosures

It can be installed horizontally or vertically

Z627-6NH-G

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