This total relief valve repair kit is designed for use on a 2 1/2 and 3 inch reduced pressure zone assembly used to prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure. This kit provides all the parts necessary to replace the major internal components of the applicable reduced pressure zone assembly. This kit consists of a diaphragm, disc and piston assembly, seat, seat O-ring, adapter O-ring and lubricant.

• Factory replacement parts
• No special tools required for changing parts
• All parts are made of high quality materials
• Fits 2 1/2 and 3 inch lead free reduced pressure zone assembly