RK 850/870-CK4 6 LEAD FREE

This check kit includes the parts necessary to repair or replace either the first or second check module of a 6 inch double check valve assembly, 1st check of a double check detector assembly, or 2nd check of a reduced pressure zone assembly. Kit includes Check Module, Mounting Hardware, Cover O-Ring, Bearing, and Bearing Socket. All parts are genuine and original to the valve.