Product details:

This 1/4 through 1/2 IN 009 total repair kit provides all the parts necessary to replace the major internal components of the applicable reduced pressure zone assembly. This kit consists of a cover O-ring, first and second check assemblies, seat, seat O-ring, stem and diaphragm assembly, stem O-ring, and RV spring. - For 1/4??- 1/2?? 009 series - Includes first check module, second check module, complete relief valve stem assembly as well as all internal o-rings and gaskets - No special tools required for servicing - Genuine and original Watts parts - All parts are made of high quality materials - Factory replacement kit