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🚫 Stop Backflow Like a Pro — Protect Your Space with Oatey!
The Oatey 4-Inch PVC Backwater Valve is a high-performance sewage check valve designed to prevent backflow into basements or low-lying areas. Featuring a quick-action elastomeric flapper seal and a hand-tightened threaded access cap with neoprene seal, it ensures reliable, watertight protection. Compatible with Schedule 40 PVC pipes and adaptable to various plumbing systems, this valve combines professional-grade durability with easy maintenance, backed by Oatey’s 100+ years of trusted plumbing expertise.
| ASIN | B000BQSFJ6 |
| Best Sellers Rank | #267,528 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #347 in Faucet Valves |
| Brand Name | Oatey |
| Connector Type | connector_type |
| Customer Reviews | 4.6 4.6 out of 5 stars (288) |
| Exterior Finish | White |
| Global Trade Identification Number | 00038753439044 |
| Included Components | Backwater Valve |
| Inlet Connection Size | 4 inches |
| Inlet Connection Type | threaded |
| Item Dimensions | 11.25 x 8 x 7.4 inches |
| Item Type Name | Oatey |
| Item Weight | 4.3 pounds |
| Manufacturer | Oatey |
| Manufacturer Part Number | 43904 |
| Manufacturer Warranty Description | 1-year limited |
| Material Type | PVC |
| Model Number | 43904 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Number of Pieces | 1 |
| Number of Ports | 1 |
| Outlet Connection Size | 4 inches |
| Outlet Connection Type | FNPT |
| Size | 4 Inch |
| Specification Met | ASME, ASTM, ANSI |
| Thread Size | 4 inches |
| Thread Type | threaded |
| UPC | 038753439044 |
| Unit Count | 1 Count |
| Valve Type | backwater,backwater valve |
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