Watts 0062306 007 Series 1 in. x 1 in. FNPT x FNPT Bronze Double Check Valve Assembly Backflow Preventer with Quarter Turn Shutoff and Single Top Entry
Watts 0062427 007 Series 2 in. x 2 in. FNPT x FNPT Bronze Double Check Valve Assembly Backflow Preventer with Quarter Turn Shutoff and Single Top Entry
Watts 0062020 007 Series 3/4 in. x 3/4 in. FNPT x FNPT Bronze Double Check Valve Assembly Backflow Preventer with Quarter Turn Shutoff and Single Top Entry