--- product_id: 764578787 title: "Internal Backwater Valve,3-F 3\" Float Model Flood-Guard for 3-inch Flood Drains,Drain Backflow Preventer for Sewer Flood Protection" brand: "minimprover" price: "$U1049" currency: UYU in_stock: false category: "Minimprover" url: https://www.desertcart.uy/products/764578787-internal-backwater-valve-3-f-3-float-model-flood-guard store_origin: UY region: Uruguay --- # 3-inch flood drain fit Automatic float check valve Solid brass durability Internal Backwater Valve,3-F 3" Float Model Flood-Guard for 3-inch Flood Drains,Drain Backflow Preventer for Sewer Flood Protection **Brand:** minimprover **Price:** $U1049 **Availability:** ❌ Out of Stock ## Summary > 🚨 Don’t wait for the flood—seal your space with smart brass power! ## Quick Answers - **What is this?** Internal Backwater Valve,3-F 3" Float Model Flood-Guard for 3-inch Flood Drains,Drain Backflow Preventer for Sewer Flood Protection by minimprover - **How much does it cost?** $U1049 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.uy](https://www.desertcart.uy/products/764578787-internal-backwater-valve-3-f-3-float-model-flood-guard) ## Best For - minimprover enthusiasts ## Why This Product - Trusted minimprover brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Quick & Easy Installation:** Get flood protection in minutes with just a screwdriver—no professional help needed. - • **Mess-Free Flood Prevention:** Stops costly water damage and unpleasant backups before they start, saving you time and stress. - • **Smart Float-Activated Seal:** Automatically blocks sewer backflow when water levels rise, protecting your property effortlessly. - • **Built to Last with Solid Brass:** Corrosion-resistant brass ensures long-term flood defense without rust or wear. - • **Precision Fit for 3-Inch Drains:** Designed specifically for 3-inch flood drains, guaranteeing seamless installation and optimal performance. ## Overview The Minimprover 3" Float Model Flood-Guard is a premium brass check valve designed to prevent sewer backflow in 3-inch flood drains. Featuring a corrosion-resistant solid brass body and durable rubber gaskets, it automatically seals off water backup using a float mechanism. Easy to install with just a screwdriver, this valve offers reliable, mess-free flood protection to safeguard your property from costly water damage. ## Description Minimprover Internal Backwater Valve,3-F 3" Float Model Flood-Guard for 3-inch Flood Drains,Drain Backflow Preventer for Sewer Flood Protection : desertcart.in: Home Improvement ## Features - 【Material】: The main parts are made of solid brass which is durable and corrosion resistant.The gaskets are made of molded rubber which is soft and durable. - 【SIZE】: 3-F 3" Float Model Flood-Guard for 3-inch Flood Drains - 【Introduction】: Flood-Guard operates like a check valve to seal off water back-up caused by overloaded sewers. Water flows normally through the drain until the sewer begins to back up. Then the Flood-Guard float rises to seal off the drain opening until the water recedes. - 【Adventage】: A screwdriver and a couple of minutes are all you need to install a Flood-Guard. Once in place, it can prevent property damage and a very messy clean-up job. - 【Package Include】: 1Pack 3" Float Model Flood-Guard. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09HXPLT95 | | Best Sellers Rank | #114,613 in Home Improvement ( See Top 100 in Home Improvement ) #2,217 in Drain Strainers | | Brand Name | Minimprover | | Connector Type | Threaded | | Customer Reviews | 4.1 4.1 out of 5 stars (382) | | Exterior Finish | Brass | | Inlet Connection Size | 3 Inches | | Inlet Connection Type | FNPT | | Manufacturer | Minimprover | | Manufacturer Part Number | H087-3 | | Material Type | Brass | | Model Number | H087-3 | | Number of Items | 1 | | Number of Packs | 1 | | Number of Pieces | 1 | | Number of Ports | 3 | | Outlet Connection Size | 3 Inches | | Outlet Connection Type | FNPT | | Size | 3" Flood-Guard | | Thread Size | NPT | | Thread Type | Female | | UPC | 770773110045 | | Unit Count | 1.0 Count | | Valve Type | check valve | ## Product Details - **Brand:** Minimprover - **Exterior Finish:** Brass - **Inlet Connection Size:** 3 Inches - **Inlet Connection Type:** FNPT - **Material:** Brass - **Net Quantity:** 1.0 Count - **Number of Packs:** 1 - **Number of Ports:** 3 - **Outlet Connection Size:** 3 Inches - **Outlet Connection Type:** FNPT ## Images ![Internal Backwater Valve,3-F 3" Float Model Flood-Guard for 3-inch Flood Drains,Drain Backflow Preventer for Sewer Flood Protection - Image 1](https://m.media-amazon.com/images/I/61l9DzIp9kL.jpg) ![Internal Backwater Valve,3-F 3" Float Model Flood-Guard for 3-inch Flood Drains,Drain Backflow Preventer for Sewer Flood Protection - Image 2](https://m.media-amazon.com/images/I/41H30hBGg9L.jpg) ![Internal Backwater Valve,3-F 3" Float Model Flood-Guard for 3-inch Flood Drains,Drain Backflow Preventer for Sewer Flood Protection - Image 3](https://m.media-amazon.com/images/I/41nCTXgWkcL.jpg) ![Internal Backwater Valve,3-F 3" Float Model Flood-Guard for 3-inch Flood Drains,Drain Backflow Preventer for Sewer Flood Protection - Image 4](https://m.media-amazon.com/images/I/419CNw2UIJL.jpg) ![Internal Backwater Valve,3-F 3" Float Model Flood-Guard for 3-inch Flood Drains,Drain Backflow Preventer for Sewer Flood Protection - Image 5](https://m.media-amazon.com/images/I/519W1zzmrQL.jpg) ## Available Options This product comes in different **Size** options. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.uy/products/764578787-internal-backwater-valve-3-f-3-float-model-flood-guard](https://www.desertcart.uy/products/764578787-internal-backwater-valve-3-f-3-float-model-flood-guard) --- *Product available on Desertcart Uruguay* *Store origin: UY* *Last updated: 2026-09-23*