RML4963A Mainline Fullport Backwater Valve
This ABS Mainline Fullport Backwater Valve protects your building against backup from the municipal sewer.
- ABS Construction
- 4" DWV Hub inlet & outlet
- Fullport (Normally Open) Non-Flow Restricting
- Made in Canada
- Conforms to National Plumbing Code of Canada
- Check with your local municipality for possible Backwater Valve installation Incentive Programs
- Access Cover (RML2013) sold separately
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