LFFRK 850-CK4 8-10 870 CK4 8

This check kit includes the parts necessary to repair or replace either the first or second check module of an 8 and 10 inch in-line double check assembly, the first or second check of an 8 inch N or Z pattern double check assembly, the first check of an 8 or 10 inch in-line double check detector assembly, the second check of an 8 or 10 inch in-line reduced pressure zone assembly, the first check of an 8 in N or Z pattern double check detector assembly or the second check of an 8 inch N or Z pattern reduced pressure zone assembly. All parts are genuine and original to the valve.