• Factory replacement parts
• No special tools required for servicing
• All parts are made of high quality materials
• Fits 2 1/2 to 10 inch reduced pressure zone assembly and reduced pressure detector assembly

This relief valve seat ring kit includes the parts necessary to repair or replace the seat ring of a 2 1/2 to 10 inch reduced pressure zone assembly, series 825 and reduced pressure detector assembly, series 826YD. All parts are genuine and original to the valve.