WW0794007, Watts, 2-1/2 - 3 IN 007Lead Free DCDA First Check Kit

This first check replacement kit is used to repair or replace the first check on a 2-1/2 to 3 inch lead free 007 double check detector assembly to prevent the backflow of contaminated water into the potable water supply. It consists of a seat, seat O-ring, disc assembly, spring, check cage and cover O-ring. It is ideal at referenced cross-connections identified as non-health hazard applications.