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🚿 Stop Backflow Before It Starts — The Valve Every Basement Needs!
The Oatey 42725 is a 2-inch PVC backwater valve with female iron pipe (FIP) threaded connections, designed to integrate seamlessly into shower or floor drains. Compact and durable, it prevents sewage backup by allowing drainage while blocking reverse flow. Trusted by professionals for over a century, this valve fits vintage and modern plumbing systems alike, offering an affordable, easy-to-install solution to protect your basement from costly water damage.









| ASIN | B000BQWR1I |
| ASIN | B000BQWR1I |
| Brand Name | Oatey |
| Connector Type | FIP, Threaded |
| Customer Reviews | 4.5 4.5 out of 5 stars (81) |
| Customer reviews | 4.5 4.5 out of 5 stars (81) |
| Date First Available | 1 September 2012 |
| Exterior Finish | Stainless Steel |
| Global Trade Identification Number | 00038753427256 |
| Included Components | Plumbing Fixtures;Tub and Shower Faucets and Accessories;bathroom-sink-and-tub-drain-strainers |
| Inlet Connection Size | 2 Inches |
| Inlet Connection Type | Female Iron Pipe |
| Is Discontinued By Manufacturer | No |
| Item Dimensions | 5.1 x 5.1 x 5.7 centimeters |
| Item Type Name | Backwater Valve |
| Item Weight | 23 g |
| Item model number | 42725 |
| Manufacturer | Oatey |
| Manufacturer | Oatey |
| Manufacturer Part Number | 42725 |
| Material Type | pvc |
| Model Number | 42725 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Number of Pieces | 1 |
| Number of Ports | 2 |
| Outlet Connection Size | 2 Inches |
| Outlet Connection Type | FIP |
| Product Dimensions | 5.08 x 5.08 x 5.72 cm; 22.68 g |
| Set Name | False |
| Size | 2 Inch |
| Specification Met | ASTM |
| Thread Size | 2 inches |
| Thread Type | FIP |
| UPC | 038753427256 |
| Unit Count | 1 Count |
| Valve Type | Backwater Valve |
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