Watts 0888827|WW0888827 - RK 774 774DCDA CK4 8-12

This 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 one 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.