This reduced pressure zone complete rubber parts kit for the 1-1/4" to 2" 009 Series consists of two check assembly o-rings, two disc assemblies, cover o-ring, relief valve diaphragm, relief valve seat o-ring, one sensing passage o-ring, one diaphragm plate o-ring, one relief valve lower stem o-ring, one relief valve upper stem o-ring, one relief valve disc assembly and one bleed screw o-ring. This kit is built to last, allowing for reliability and strength. Made for easy installation and use, it will help ensure the best service life possible.