Z1090-76
BACKWATER VALVE FLAPPER TYPE W/ HUB & SPIGOT INLET AND OUTLET
Z1090-77
BACKWATER VALVE FLAPPER TYPE W/ ACCESS HOUSING
Z1090-79
Backwater Valve w/ Access Housing
Z1090-80
Backwater Valve Flapper Type w/ Z887-24-EXT-HD and Light Duty Tread Plate Cover
Z1090-81
BACKWATER VALVE ACCESS BOX W/ Z887-24 AND LIGHT DUTY TREAD PLATE COVER
Z1090-82
No-Hub Backwater Valve Flapper Type
Z1090-83
BACKWATER VALVE, FLAPPER TYPE W/ EXTENSION
Z1090-84
ACID RESISTANT EPOXY COATED BACKWATER VALVE, FLAPPER TYPE