---
product_id: 57543870
title: "Rat Drain Barrier Non Return Valve 4\" Plastic Pipe with S/S Door"
brand: "watertight"
price: "€ 8.05"
currency: EUR
in_stock: false
url: https://www.desertcart.es/products/57543870-rat-drain-barrier-non-return-valve-4-plastic-pipe-s
store_origin: ES
region: Spain
---

# Rat-proof design Easy installation Backflow prevention Rat Drain Barrier Non Return Valve 4" Plastic Pipe with S/S Door

**Brand:** watertight
**Price:** € 8.05
**Availability:** ❌ Out of Stock

## Summary

> 🚫 Keep the Rats Out, Keep the Peace In!

## Quick Answers

- **What is this?** Rat Drain Barrier Non Return Valve 4" Plastic Pipe with S/S Door by watertight
- **How much does it cost?** € 8.05 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/57543870-rat-drain-barrier-non-return-valve-4-plastic-pipe-s)

## Best For

- watertight enthusiasts

## Why This Product

- Trusted watertight brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Peace of Mind:** Enjoy a rat-free environment and protect your drains effortlessly.
- • **Seal the Deal:** Keep pesky rodents at bay with this innovative barrier!
- • **Durable Design:** Crafted from high-quality plastic for long-lasting performance.
- • **Effortless Setup:** Designed for quick and easy installation—no plumbing degree required!
- • **Sleek Stainless Steel Door:** Features a stylish S/S door that blends functionality with aesthetics.

## Overview

The Rat Drain Barrier Non Return Valve is a 4-inch plastic pipe solution designed to prevent rats from accessing drains while also stopping backflow. Manufactured by Watertight, it combines easy installation with durable materials, ensuring a reliable defense against unwanted pests.

## Description

This is a new upgraded version with STAINLESS STEEL DOOR Unique push-fit non return valve giving instant rat and pest control in drains. The Rat Barrier was initially developed to help combat flooding problems in the UK but is now being used to prevent rodent ingress into buildings, both commercial and domestic. The valve is now used to prevent the following: Prevent Pest/Rodent Infestation Control noxious/Unpleasant Smells Prevent Back Flow/Flooding in sewers The perfect defence against rats etc entering via drains. A unique Non-Return Valve that easily push fit in to your current drainage pipework. An effective and low cost solution to prevent rats entering your drains from the local sewer and to stop flood backflows into your pipework. Can be fitted in minutes and does not require any specialist expertise or equipment. Can be locked closed to enable simple sealing off of a disused pipe run or to temporarily seal a pipe run whilst maintenance is in progress. For plastic pipes measures: 17.5cm end to end.

## Features

- Easy to fit
- Stop Rats accessing drains
- Prevents back flow

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Watertight |
| ASIN | B00U2F15XE |

## Images

![Rat Drain Barrier Non Return Valve 4" Plastic Pipe with S/S Door - Image 1](https://m.media-amazon.com/images/I/71AO-XTPYKL.jpg)

## Questions & Answers

**Q: what are the dimensions of this item**
A: HelloThsi is to fit a 4" pipe, length of unit is 17.5 cm

## Frequently Bought Together

- Rat Drain Barrier Non Return Valve 4" Plastic Pipe with S/S Door
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- The Big Cheese Rat & Mouse Bait Station Compact, Tamper-Resistant Bait Station with Lockable Lid Indoor and Outdoor Use, Black

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**Shop now:** [https://www.desertcart.es/products/57543870-rat-drain-barrier-non-return-valve-4-plastic-pipe-s](https://www.desertcart.es/products/57543870-rat-drain-barrier-non-return-valve-4-plastic-pipe-s)

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*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-02-22*