--- product_id: 453018784 title: "Internal Backwater Valve,2-F 2\" Float Model Flood-Guard for 2-inch Flood Drains,Drain Backflow Preventer for Sewer Flood Protection" brand: "minimprover" price: "£91.00" currency: GBP in_stock: true reviews_count: 5 category: "Minimprover" url: https://www.desertcart.co.uk/products/453018784-internal-backwater-valve-2-f-2-float-model-flood-guard store_origin: GB region: United Kingdom --- # 2-inch float valve seal Quick screwdriver install Solid brass durability Internal Backwater Valve,2-F 2" Float Model Flood-Guard for 2-inch Flood Drains,Drain Backflow Preventer for Sewer Flood Protection **Brand:** minimprover **Price:** £91.00 **Availability:** ✅ In Stock ## Summary > 🚨 Stop floods before they start — your home’s silent guardian! ## Quick Answers - **What is this?** Internal Backwater Valve,2-F 2" Float Model Flood-Guard for 2-inch Flood Drains,Drain Backflow Preventer for Sewer Flood Protection by minimprover - **How much does it cost?** £91.00 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/453018784-internal-backwater-valve-2-f-2-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 - • **Compact & Reliable:** Designed for 2-inch flood drains, fitting seamlessly into your home’s safety setup. - • **Unmatched Durability:** Crafted from solid brass for corrosion resistance and long-lasting flood defense. - • **Smart Float Mechanism:** Automatically seals drains when sewer backup is detected, preventing costly water damage. - • **Effortless Installation:** Get flood protection in minutes with just a screwdriver—no plumber needed. - • **Precision Seal Technology:** Molded rubber gaskets ensure a slip-free, watertight barrier against sewer backflow. ## Overview The Minimprover 2" Float Model Flood-Guard is a solid brass internal backwater valve designed to prevent sewer backflow and flooding. Featuring a smart float mechanism and molded rubber gaskets, it seals 2-inch flood drains automatically during sewer overloads. Easy to install with just a screwdriver, this durable valve offers reliable protection against costly water damage and messy cleanups. ## Description Great 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. Adventage: ***1.Very easliy to install just need a screwdriver. ***2.Help reduce losses, and some messy cleanup work. ***3.The embeded gasket provides strong seal without slipping. ***4.Solid brass construction for unsurpassed durability. Package includes: 1Pack 2" Float Model Flood-Guard. Review: A+ rating Review: This is the tool for the job ## 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】: 2-F 2" Float Model Flood-Guard for 2-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. - 【Advantage】: 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 2" Float Model Flood-Guard. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08QHY6NN2 | | Best Sellers Rank | #349,718 in Home Improvement ( See Top 100 in Home Improvement ) #6,852 in Drain Strainers | | Brand | Minimprover | | Brand Name | Minimprover | | Connector Type | Threaded | | Customer Reviews | 4.1 out of 5 stars 352 Reviews | | Exterior Finish | Brass | | Inlet Connection Size | 2 Inches | | Inlet Connection Type | Flange | | Manufacturer | Minimprover | | Material | Brass | | Material Type | Brass | | Model Number | H087-2 | | Number of Pieces | 1 | | Number of Ports | 2 | | Outlet Connection Size | 2 Inches | | Outlet Connection Type | Flange | | Size | small | | Specification Met | ANSI B16.11, ASME B16.34 | | Thread Size | 2 inches | | Thread Type | Threaded | | UPC | 779880498534 | | Unit Count | 1.0 Count | | Valve Type | check valve | ## Product Details - **Material:** Brass - **Brand:** Minimprover - **Exterior Finish:** Brass - **Inlet Connection Size:** 2 Inches - **Inlet Connection Type:** Flange - **Outlet Connection Type:** Flange - **Number of Ports:** 2 - **Specification Met:** ASME B16.34, ANSI B16.11 - **Valve Type:** check valve - **Manufacturer:** Minimprover ## Images ![Internal Backwater Valve,2-F 2" Float Model Flood-Guard for 2-inch Flood Drains,Drain Backflow Preventer for Sewer Flood Protection - Image 1](https://m.media-amazon.com/images/I/61K7xcpQL4L.jpg) ![Internal Backwater Valve,2-F 2" Float Model Flood-Guard for 2-inch Flood Drains,Drain Backflow Preventer for Sewer Flood Protection - Image 2](https://m.media-amazon.com/images/I/61r1fEm3BgL.jpg) ![Internal Backwater Valve,2-F 2" Float Model Flood-Guard for 2-inch Flood Drains,Drain Backflow Preventer for Sewer Flood Protection - Image 3](https://m.media-amazon.com/images/I/61jUiFx0ewL.jpg) ![Internal Backwater Valve,2-F 2" Float Model Flood-Guard for 2-inch Flood Drains,Drain Backflow Preventer for Sewer Flood Protection - Image 4](https://m.media-amazon.com/images/I/61cukUHG+fL.jpg) ![Internal Backwater Valve,2-F 2" Float Model Flood-Guard for 2-inch Flood Drains,Drain Backflow Preventer for Sewer Flood Protection - Image 5](https://m.media-amazon.com/images/I/615B4i4yFOL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ A+ rating *by J***. on 8 April 2024* ### ⭐⭐⭐⭐⭐ This is the tool for the job *by S***L on 3 July 2023* ### ⭐⭐⭐⭐⭐ Works and price was good *by J***N on 8 September 2024* ## Frequently Bought Together - Minimprover Internal Backwater Valve,2-F 2" Float Model Flood-Guard for 2-inch Flood Drains,Drain Backflow Preventer for Sewer Flood Protection - G Green Drain Waterless Trap Seal, 2 Inch - Shower Drain Floor Drain Backflow Preventer Magnetic Levitation One-Way Drain Valve Fast Drainage Shower plug Insert Drain Plug Fit for Tube Depth 2.56-4.13in (Caliber（2-3.9in）,Depth 3,15in) --- ## 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.co.uk/products/453018784-internal-backwater-valve-2-f-2-float-model-flood-guard](https://www.desertcart.co.uk/products/453018784-internal-backwater-valve-2-f-2-float-model-flood-guard) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-06-29*