4 Inch Backwater Valve Drain Backflow Preventer for Sewage and Rainwater, White PVC, DIY Friendly Easy Install, Backup Protection for Home Plumbing, Guards Basements and Drains From Sewer Backflow
✔️ Easy DIY install; corrosion-resistant PVC, broad drain compatibility
This white PVC backwater valve is a 4-inch drain backflow preventer designed to block sewer backflow into basements, laundry rooms, and outdoor lines. It’s a simple, DIY-friendly device that installs inline with existing drainage and requires minimal maintenance.
✅ 4 in (101.6 mm) nominal diameter
✅ Material: durable PVC
✅ Backflow protection: automatic valve prevents sewer backflow
✅ Installation: DIY-friendly inline installation
✅ Color: White
✅ Pack size: Single unit
💡 What is a backwater valve used for in home plumbing and drainage systems? Backflow protection is handy for safeguarding basements and lower-lying areas from sewer backups. - handy backflow protection for home plumbing and drainage systems - automatic inline valve stops sewer backups in basements - reduces basement flooding risk and cleanup costs