---
product_id: 514811805
title: "Push Fit Single Check Valve 12mm (12SCV)"
brand: "john guest"
price: "AED 91"
currency: AED
in_stock: true
reviews_count: 13
category: "John Guest"
url: https://www.desertcart.ae/products/514811805-push-fit-single-check-valve-12mm-12scv
store_origin: AE
region: United Arab Emirates
---

# 12mm precision fit prevents backflow durable brass build Push Fit Single Check Valve 12mm (12SCV)

**Brand:** john guest
**Price:** AED 91
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate your plumbing game with flawless flow control!

## Quick Answers

- **What is this?** Push Fit Single Check Valve 12mm (12SCV) by john guest
- **How much does it cost?** AED 91 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ae](https://www.desertcart.ae/products/514811805-push-fit-single-check-valve-12mm-12scv)

## Best For

- john guest enthusiasts

## Why This Product

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

## Key Features

- • **One-Way Water Control:** Prevents backflow to protect your heating system integrity
- • **Seamless 12mm Push Fit:** Effortless installation with a secure, leak-proof connection
- • **Robust Brass Construction:** Engineered for long-lasting durability and corrosion resistance
- • **Trusted Industry Standard:** John Guest quality with 4.8-star rating and top 3 rank in check valves
- • **Compact & Efficient Design:** Space-saving 23x23x69mm size fits most standard plumbing setups

## Overview

The John Guest Push Fit Single Check Valve 12mm is a high-quality, brass non-return valve designed to prevent backflow in water heating systems. Its compact size and push-fit coupling ensure quick, reliable installation, making it a top-rated choice for professionals seeking durable and efficient plumbing solutions.

## Description

John Guest Single Check Valve 12mm. also known as a one-way valve or non-return valve. These are used with most water heating systems to prevent water exiting the heaters input line.

Review: Non return valve - Good price and perfect for the job required.
Review: Good product - Good product

## Features

- John Guest
- 12mm Fitting

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BX6GPBDQ |
| Best Sellers Rank | 5,819 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 3 in Check Valves |
| Brand | John Guest |
| Colour | Black |
| Connector Type | Coupling |
| Connector type | Coupling |
| Customer Reviews | 4.8 out of 5 stars 71 Reviews |
| Included Components | 1 Single Check Valve |
| Item Dimensions | 23 x 23 x 69 millimetres |
| Item Type Name | Single Check Valve |
| Item dimensions L x W x H | 23 x 23 x 69 millimetres |
| Manufacturer | John Guest |
| Material | Brass |
| Model Number | 12SCV |
| Number of Pieces | 1 |
| Size | Klein |
| Thread Size | 1/2 inch |
| Thread Type | UN |
| Unit Count | 1.0 count |

## Product Details

- **Brand:** John Guest
- **Colour:** Black
- **Connector type:** Coupling
- **Item dimensions L x W x H:** 23 x 23 x 69 millimetres
- **Item weight:** 20 Grams
- **Material:** Brass
- **Number of pieces:** 1
- **Size:** Klein
- **Thread size:** 1/2 inch
- **Thread type:** UN

## Images

![Push Fit Single Check Valve 12mm (12SCV) - Image 1](https://m.media-amazon.com/images/I/31E-kc-+RJL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Non return valve
*by A***T on 20 May 2026*

Good price and perfect for the job required.

### ⭐⭐⭐⭐⭐ Good product
*by D***N on 1 May 2026*

Good product

### ⭐⭐⭐⭐⭐ Good quality
*by 6***1 on 30 April 2026*

Good quality

## Frequently Bought Together

- John Guest Push Fit Single Check Valve 12mm (12SCV)
- John Guest PP Shut Off Valve Connection 12 mm (One Supplied)
- John Guest 12mm Equal Elbow Push-Fit Pipe Connector – Quick Connect Fitting for Water & Air Systems (Pack of 4)

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**Shop now:** [https://www.desertcart.ae/products/514811805-push-fit-single-check-valve-12mm-12scv](https://www.desertcart.ae/products/514811805-push-fit-single-check-valve-12mm-12scv)

---

*Product available on Desertcart United Arab Emirates*
*Store origin: AE*
*Last updated: 2026-08-06*