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🚨 Stop floods before they start — your 4-inch flood defense hero!
The Internal Backwater Valve 4-F 4" Float Model Flood-Guard is a robust, brass-constructed check valve designed to prevent sewer backflow through 4-inch flood drains. Featuring a smart float mechanism and durable molded rubber gaskets, it seals off water backup automatically. Easy to install with just a screwdriver, this valve offers reliable flood protection that minimizes property damage and cleanup.
| ASIN | B08QHZ1YFQ |
| Best Sellers Rank | #461,728 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,430 in Flood Lights |
| Brand Name | Minimprover |
| Connector Type | Threaded |
| Customer Reviews | 4.1 4.1 out of 5 stars (388) |
| Exterior Finish | Brass |
| Inlet Connection Size | 4 inches |
| Inlet Connection Type | Standard Pipe Thread |
| Manufacturer | Minimprover |
| Manufacturer Part Number | H087-4 |
| Material Type | Brass, Rubber |
| Model Number | H087-4 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Number of Pieces | 1 |
| Number of Ports | 2 |
| Outlet Connection Size | 4 inches |
| Outlet Connection Type | NPT |
| Size | 4" Flood-Guard |
| Thread Size | 4 inches |
| Thread Type | Standard Pipe Thread |
| UPC | 779880498541 |
| Unit Count | 1 Count |
| Valve Type | Check Valve |
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