WATTS® 0888822 Second Check Kit, For Use With 774/774DCDA Double Check Valve Assemblies

WATTS® Second Check Kit, For Use With: 774/774DCDA Double Check Valve Assemblies

This second check detector repair kit prevents the backflow of fire protection system substances from being pumped or siphoned into the potable water supply. This kit consists of a complete number two cam check with a check O-ring. It is designed for installation on applications identified by local authorities as non-health hazard, such as on fire protection systems.