---
product_id: 74176662
title: "McAlpine T28-MNRV 1 1/2\" Non-Return Valve"
brand: "mcalpine"
price: "€ 41.75"
currency: EUR
in_stock: true
reviews_count: 2
category: "Mcalpine"
url: https://www.desertcart.pt/products/74176662-mcalpine-t28-mnrv-1-1-2-non-return-valve
store_origin: PT
region: Portugal
---

# 1.5" connection Backflow prevention Easy cleaning access McAlpine T28-MNRV 1 1/2" Non-Return Valve

**Brand:** mcalpine
**Price:** € 41.75
**Availability:** ✅ In Stock

## Summary

> 🚰 Keep the flow, ditch the backflow!

## Quick Answers

- **What is this?** McAlpine T28-MNRV 1 1/2" Non-Return Valve by mcalpine
- **How much does it cost?** € 41.75 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/74176662-mcalpine-t28-mnrv-1-1-2-non-return-valve)

## Best For

- mcalpine enthusiasts

## Why This Product

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

## Key Features

- • **Backflow Blocker:** Prevents unwanted water backflow, ensuring a clean and efficient system.
- • **Seamless Integration:** Connects effortlessly to 1 1/2" or 40mm plastic waste pipes.
- • **User-Friendly Design:** Top access for hassle-free cleaning, keeping maintenance a breeze.
- • **Lightweight & Durable:** Weighs only 150g, crafted from robust plastic for long-lasting use.
- • **Horizontal Installation:** Specifically designed for horizontal positioning for optimal performance.

## Overview

The McAlpine T28-MNRV 1 1/2" Non-Return Valve is a high-quality plumbing solution designed to prevent backflow in waste systems. With easy top access for cleaning and a lightweight plastic construction, this valve is perfect for seamless integration into your plumbing setup.

## Description

Free delivery and returns on all eligible orders. Shop McAlpine T28-MNRV 1 1/2" Non-Return Valve.

Review: very handy - very handy bit of kit
Review: Pluming - This was easy to fit, for someone who has no plumbing training. We used this on pipe between the bath and hand basin. As water was running backwards from basin to bath, and causing bad smell. This has stoped this happing, and works great.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00Q1V9NH8 |
| Best Sellers Rank | 264,293 in DIY & Tools ( See Top 100 in DIY & Tools ) 688 in Water Heaters & Parts |
| Brand | Mcalpine |
| Customer Reviews | 4.4 4.4 out of 5 stars (21) |
| Exterior Finish | Plastic |
| Inlet Connection Size | 1.5 Inches |
| Inlet Connection Type | National Pipe Tapered |
| Item Dimensions | 6.4 x 12.2 x 12.2 centimetres |
| Item Weight | 0.15 Kilograms |
| Manufacturer | McAlpine |
| Material | Plastic |
| Model Number | T28-MNRV |
| Number of Pieces | 1 |
| Number of Ports | 2 |
| Outlet Connection Size | 1.5 Inches |
| Outlet Connection Type | NPT |
| Thread Size | 1.5 inches |
| Unit Count | 1.0 count |
| Valve Type | Check Valve |

## Product Details

- **Brand:** Mcalpine
- **Exterior finish:** Plastic
- **Inlet connection size:** 1.5 Inches
- **Inlet connection type:** National Pipe Tapered
- **Item dimensions L x W x H:** 6.4 x 12.2 x 12.2 centimetres
- **Manufacturer:** McAlpine
- **Material:** Plastic
- **Number of ports:** 2
- **Outlet connection size:** 1.5 Inches
- **Outlet connection type:** NPT

## Images

![McAlpine T28-MNRV 1 1/2" Non-Return Valve - Image 1](https://m.media-amazon.com/images/I/51jqFJ06HbL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ very handy
*by P***R on 23 January 2025*

very handy bit of kit

### ⭐⭐⭐⭐⭐ Pluming
*by R***Y on 8 March 2024*

This was easy to fit, for someone who has no plumbing training. We used this on pipe between the bath and hand basin. As water was running backwards from basin to bath, and causing bad smell. This has stoped this happing, and works great.

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**Shop now:** [https://www.desertcart.pt/products/74176662-mcalpine-t28-mnrv-1-1-2-non-return-valve](https://www.desertcart.pt/products/74176662-mcalpine-t28-mnrv-1-1-2-non-return-valve)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-06-06*