S-640

PVC Backwater Valve with Lid

S-641

PVC Backwater Valve with 16" Access Sleeve and Lid

S-660

ABS Backwater Valve with Lid

S-661

ABS Backwater Valve with 16" Access Sleeve and Lid

Backwater Valve Lid O-Ring

Neoprene O-Ring for S-640 & S-660 Backwater Valves

S-640 Flapper & O-Ring

Flapper and O-Ring for S-640 Backwater Valves

S-660 Lid

ABS Lid for S-660 Backwater Valves

S-640 Access Sleeve

PVC Access Sleeve for S-640 Backwater Valves

PVC Backwater Valve Lid

CPVC Lid for S-640 Backwater Valves