--- product_id: 417164270 title: "Retro fit -Non Return Valve to fit 6 inch (150mm) Sewerage Pipe. Rodent and Water Stop." brand: "buffalo flood systems" price: "R4677" currency: ZAR in_stock: true reviews_count: 5 category: "Buffalo Flood Systems" url: https://www.desertcart.co.za/products/417164270-retro-fit-non-return-valve-to-fit-6-inch-150mm store_origin: ZA region: South Africa --- # Fits 136-152.5mm pipes Anti-flood backflow prevention Stainless steel rodent barrier Retro fit -Non Return Valve to fit 6 inch (150mm) Sewerage Pipe. Rodent and Water Stop. **Brand:** buffalo flood systems **Price:** R4677 **Availability:** ✅ In Stock ## Summary > 🚫🐀 Seal out pests and floods with effortless style! ## Quick Answers - **What is this?** Retro fit -Non Return Valve to fit 6 inch (150mm) Sewerage Pipe. Rodent and Water Stop. by buffalo flood systems - **How much does it cost?** R4677 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/417164270-retro-fit-non-return-valve-to-fit-6-inch-150mm) ## 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 - • **Odor & Pest Barrier:** Blocks noxious fumes and unwanted critters, perfect for homes and commercial kitchens alike. - • **Flood Defense You Can Trust:** Certified Type 0 anti-flood valve prevents sewage backflow and protects your property. - • **No Tools, No Fuss Installation:** Push-fit design means zero tools required—upgrade your drainage in minutes. - • **Universal Fit for 6-inch Pipes:** Seamlessly retrofits 136-152.5mm clay, PVC, or concrete pipes without hassle. - • **Rodent-Proof Stainless Steel Shield:** Built-in SS430 plate stops rats and vermin dead in their tracks. ## Overview The Buffalo Flood Systems Retro Fit Non Return Valve is a high-quality, tool-free push-fit valve designed to fit 6-inch (150mm) sewer pipes made of clay, PVC, or concrete. Featuring a stainless steel reinforced flap, it effectively blocks rodents, vermin, and backflow of sewage, while also preventing noxious odors from entering your property. Certified to EN 13564-1:2002 standards, this valve is ideal for both domestic and commercial drainage systems, offering reliable flood protection and pest control in one sleek retrofit solution. ## Description The simple, easy solution to protect your property from back flow and rodents. The 150mm Water And Rodent Back Flow Valve comprises a Type 0 Anti-flooding device as per EN 13564-1:2002 (non-return valve) for use in commercial or domestic lateral drains serving multiple properties. The Buffalo Non Return Valve fits clay and plastic 6 inch or 150mm pipes, and stops the back flow of water, vermin and noxious fumes entering a property through the pipe or sewerage line. The flap has an inbuilt stainless steel plate to stop rodents biting through, providing efficient pest control. Also prevents noxious fumes from entering properties. Suitable for the food and catering sector. Manufactured in moulded polypropylene body, TPE fins and ring seal, and a stainless steel (SS430) plate in the flap. Designed as a retrofit device to fit into the outlet of DN150 plastic or 6” clay pipes discharging into brick or concrete chambers or to fit into preformed plastic manhole bases (in accordance with BS EN 1329-1:2000), located external to the building. A lockable flap allows you to close down entry pipes to inspection chambers to allow essential maintenance to be carried out. Review: Ottimo prodotto - Anche se il prezzo è decisamente elevato, la valvola si presenta con materiali di ottima qualità e la fattura del prodotto è molto elevata. Il prezzo vale l'acquisto poiché è l'unica che può essere installata infilandola direttamente all'interno del tubo, perfetta in quei casi non si ha uno spezzone di tubo atto a fare da maschio con le altre valvole di non ritorno. Review: Fantastic Unit - I fitted this unit to prevent odours from the sewer entering our bathroom, It works perfectly and the odours have gone. ## Features - Fits: 136mm - 152.5mm internal diameter of pipe (6 inch /150mm). Perfect for foul drainage pipes. - FITS CLAY, PLASTIC (PVC) and CONCRETE pipes to inspection chambers and the end of pipe - prevents rodents, vermin and snakes entering your property from the drainage system. Stainless steel plate in the single flap will stop rats climbing up the drains and into your property. - NO TOOLS REQUIRED. Easy retro push fit into PVC or clay pipes. - ANTI FLOODING NON RETURN VALVE - STOP BACKFLOW in flooding, preventing sewage entering your property. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07V3JJWPR | | Best Sellers Rank | #47,876 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #324 in Industrial Pipe Fittings | | Brand | Buffalo Flood Systems | | Brand Name | Buffalo Flood Systems | | Connector Type | Slip | | Customer Reviews | 4.2 out of 5 stars 138 Reviews | | Exterior Finish | Stainless Steel | | Exterior finish | Stainless Steel | | Inlet Connection Size | 6 Inches | | Inlet Connection Type | PVC | | Inlet connection size | 6 Inches | | Inlet connection type | PVC | | Item Dimensions | 16 x 15 x 15 centimeters | | Item dimensions L x W x H | 16 x 15 x 15 centimeters | | Manufacturer | Water and Pest Technologies | | Manufacturer Part Number | FLC444 | | Material | Plastic | | Material Type | Plastic | | Model Number | FLC444 | | Number of Items | 1 | | Number of Packs | 1 | | Number of Pieces | 1 | | Number of Ports | 2 | | Outlet Connection Size | 6 Inches | | Outlet Connection Type | PVC | | Set Name | Check Valve Kit | | Size | 150mm x 160mm x 150mm | | Specification Met | EN 13564-1:2002 | | Thread Size | 150 mm | | Thread Type | G | | UPC | 703694886423 | | Unit Count | 1 Count | | Valve Type | Swing Check Valve | ## Product Details - **Brand:** Buffalo Flood Systems - **Exterior finish:** Stainless Steel - **Inlet connection size:** 6 Inches - **Item dimensions L x W x H:** 16 x 15 x 15 centimeters - **Material:** Plastic ## Images ![Retro fit -Non Return Valve to fit 6 inch (150mm) Sewerage Pipe. Rodent and Water Stop. - Image 1](https://m.media-amazon.com/images/I/61w3v2ldvDL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Ottimo prodotto *by P***T on 25 October 2024* Anche se il prezzo è decisamente elevato, la valvola si presenta con materiali di ottima qualità e la fattura del prodotto è molto elevata. Il prezzo vale l'acquisto poiché è l'unica che può essere installata infilandola direttamente all'interno del tubo, perfetta in quei casi non si ha uno spezzone di tubo atto a fare da maschio con le altre valvole di non ritorno. ### ⭐⭐⭐⭐⭐ Fantastic Unit *by P***T on 14 August 2024* I fitted this unit to prevent odours from the sewer entering our bathroom, It works perfectly and the odours have gone. ### ⭐⭐⭐⭐⭐ fast delivery *by P***S on 26 July 2025* perfect as described, easy to fit and good quality ## Frequently Bought Together - Buffalo Retro fit -Non Return Valve to fit 6 inch (150mm) Sewerage Pipe. Rodent and Water Stop. - Retro Fit 110mm 4 inch Drain Non Return Valve with Stainless Steel Flap --- ## 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.za/products/417164270-retro-fit-non-return-valve-to-fit-6-inch-150mm](https://www.desertcart.co.za/products/417164270-retro-fit-non-return-valve-to-fit-6-inch-150mm) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-08-22*