--- product_id: 346957295 title: "Retro Fit 110mm 4 inch Drain Non Return Valve with Stainless Steel Flap" brand: "buffalo flood systems" price: "B/.299" currency: PAB in_stock: true category: "Buffalo Flood Systems" url: https://www.desertcart.com.pa/products/346957295-retro-fit-110mm-4-inch-drain-non-return-valve-stainless store_origin: PA region: Panama --- # anti-backflow flood protection stainless steel rodent-proof flap 110mm universal fit Retro Fit 110mm 4 inch Drain Non Return Valve with Stainless Steel Flap **Brand:** buffalo flood systems **Price:** B/.299 **Availability:** ✅ In Stock ## Summary > 🚫🐀 Lock out pests and floods with the ultimate pipe guardian! ## Quick Answers - **What is this?** Retro Fit 110mm 4 inch Drain Non Return Valve with Stainless Steel Flap by buffalo flood systems - **How much does it cost?** B/.299 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.pa](https://www.desertcart.com.pa/products/346957295-retro-fit-110mm-4-inch-drain-non-return-valve-stainless) ## Best For - buffalo flood systems enthusiasts ## Why This Product - Trusted buffalo flood systems brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Universal 110mm Fit:** Seamlessly retrofits clay & plastic pipes—no DIY hassle. - • **Trusted & Guaranteed:** WRc approved with 5-year warranty and 100% money-back promise. - • **Flood Defense Champion:** Prevents sewage backflow, cutting flood damage risk by 50%. - • **Innovative 45° Flap Design:** Smooth operation even on bent inlet pipes—no jamming, no blockages. - • **Rodent-Resistant Stainless Steel Flap:** Built-in steel plate stops rats and pests dead in their tracks. ## Overview The Retro Fit 110mm 4 inch Drain Non Return Valve by Buffalo Flood Systems is a WRc-approved, stainless steel flap valve designed to prevent sewage backflow and rodent intrusion. Its unique 45° flap and funnel-shaped body ensure smooth water flow and reliable operation in both clay and plastic pipes. Easy to install without DIY skills, it offers a 5-year warranty and is ideal for flood-prone properties and pest-sensitive environments. ## Description WHAT DOES THE UNIVERSAL FIT WAR NON RETURN VALVE DO?✓ Stops backflow of effluent into properties, businesses and homes during flooding.✓ Stops rodents, frogs, snakes and other vermin from entering homes, businesses and other properties. Also prevents noxious fumes from entering properties.✓ The flap has an inbuilt stainless steel plate to stop rodents biting through, providing efficient pest control.✓ A lockable flap allows you to close down entry pipes to inspection chambers to allow essential maintenance to be carried out.✓Simple and easy to install (less than 2 minutes) making it the most cost effective and efficient solution to prevent backflow and rodents.WHY IS THE W.A.R. VALVE UNIQUE?✓ The valve can open on a 45 degree bend due to its unique flap design.✓ The unique flap design also means the flap doesn’t catch on the chamber walls – which could restrict its movement and operation.✓ Unique funnel shaped body design means the flow of water is increased when passing through the unit; reducing blockages✓ Fits both Clay and Plastic 110mm or 4″ pipes✓ The only non return valve with a 5 YEAR GUARANTEE, 100% MONEY BACK GUARANTEE, AND WRc APPROVED (PT/377/0916). The W.A.R. valve is tested to the highest standards for exceptional quality✓ The valve is completely re-usable when used for maintenance purposes and can be inserted while work is carried out then removed and used again.✓ 50% of flood damage is caused by the back flow of sewage into properties via the sanitary pipework, the W.A.R. valve provides protection against back flow damage.WHO IS THE W.A.R. VALVE SUITED TO?✓ Extensively used in properties on flood plains.✓ Ideally suited to the food and catering sector and hospitality sector.✓ Anyone with a rodent problem.✓ Anyone looking to protect their property from back flow and sewage. ## Features - 110mm / 4" drain non return (back flow) valve - Anti-flood and rat valve - Anti rodent valve / Rat stopper with stainless steel plate flap PREVENTS RODENTS from entering the property - The W.A.R. valve's unqiue design means it will fit CLAY AND PLASTIC PIPES, and opens and clears chamaber walls on bent inlet chamber pipes - Rero fit into existing inspection chamber or pipe end making it EASY AND SIMPLE to install (no DIY required) - The BEST WAY TO PROTECT AGAINST FLOOD DAMAGE from back flow via the sewage system ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0190PE9RK | | ASIN | B0190PE9RK | | Best Sellers Rank | #25,951 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #157 in Industrial Pipe Fittings | | Brand Name | Buffalo Flood Systems | | Connector Type | Flanged | | Customer Reviews | 4.3 4.3 out of 5 stars (293) | | Customer reviews | 4.3 4.3 out of 5 stars (293) | | Date First Available | 10 August 2016 | | Exterior Finish | Plastic,Stainless Steel | | Global Trade Identification Number | 00700461580201 | | Included Components | Valve | | Inlet Connection Size | 4 Inches | | Inlet Connection Type | Flange | | Is Discontinued By Manufacturer | No | | Item Dimensions | 11 x 11 x 11 centimeters | | Item Type Name | RODENT VALVE | | Item Weight | 0.23 Kilograms | | Item model number | 10663457 | | Manufacturer | Water and Pest Technologies | | Manufacturer | Water and Pest Technologies | | Material Type | Stainless Steel | | Model Number | 10663457 | | Number of Items | 1 | | Number of Packs | 1 | | Number of Ports | 2 | | Outlet Connection Size | 1.1E+2 Millimeters | | Outlet Connection Type | Flange | | Product Dimensions | 11 x 11 x 11 cm; 230 g | | Set Name | W.A.R. Unique valve design | | Size | 110mm | | Specification Met | WRc | | Thread Size | 110 millimeters | | Thread Type | BSP | | UPC | 700461580201 | | Unit Count | 1 Count | | Valve Type | Check Valve | ## Product Details - **Brand:** Buffalo Flood Systems - **Exterior finish:** Plastic,Stainless Steel - **Inlet connection size:** 4 Inches - **Item dimensions L x W x H:** 11 x 11 x 11 centimeters - **Material:** Stainless Steel ## Images ![Retro Fit 110mm 4 inch Drain Non Return Valve with Stainless Steel Flap - Image 1](https://m.media-amazon.com/images/I/71APxKuXNiL.jpg) ## Frequently Bought Together - Retro Fit 110mm 4 inch Drain Non Return Valve with Stainless Steel Flap - Mcalpine ARB-1 Anti Cross-Flow and Rodent Barrier Valve, Black - 110mm Non Return Valve Backflow DN110 Single Stainless Steel Flap Valve --- ## 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.com.pa/products/346957295-retro-fit-110mm-4-inch-drain-non-return-valve-stainless](https://www.desertcart.com.pa/products/346957295-retro-fit-110mm-4-inch-drain-non-return-valve-stainless) --- *Product available on Desertcart Panama* *Store origin: PA* *Last updated: 2026-11-02*