Ames Fire & Waterworks Second Check Kit For 2 1/2 To 4 Inch Red 7010029

The Ames Fire & Waterworks 7010029 second check kit is a lead-free repair kit for 2 1/2 to 4 inch Colt reduced pressure zone and detector assemblies, compatible with ARK C400 and C500 models. It includes a second check assembly and check O-ring with red silicone check disk material.