Fits 3/4 inch LF909, 3/4 inch 909, 1 inch LF909, and 1 inch 909

This first check repair kit provides all the parts necessary to replace the major internal components of the applicable reduced pressure backflow assembly. This kit consists of the disc assembly, spring, seat, seat O-ring, cover O-ring, and lubricant. All parts are genuine and original to the valve.