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Normally open backwater valve prevents the reverse flow of backwater into homes as a result of a plugged sewer system, excess volume in the system or groundwater flooding.
RectorSeal® Check-Flo™ Backwater Valve, 4 in Nominal, Stainless Steel Body, Clear
| Body Material | : | Stainless Steel |
| Color | : | Clear |
| Nominal Size | : | 4 in |
- Large clear access cap
- Clear lid
- Stainless steel hinge
- Superior flapper design