---
product_id: 424214335
title: "John Guest 2 x 1/2\" BSP to 12mm Female Water Adapter"
brand: "john guest"
price: "€ 49.09"
currency: EUR
in_stock: true
category: "John Guest"
url: https://www.desertcart.hr/products/424214335-john-guest-2-x-1-2-bsp-to-12mm-female
store_origin: HR
region: Croatia
---

# 12mm push-fit water connection 2-pack for double convenience 1/2" BSP thread size John Guest 2 x 1/2" BSP to 12mm Female Water Adapter

**Brand:** john guest
**Price:** € 49.09
**Availability:** ✅ In Stock

## Summary

> 💧 Connect with Confidence: The Pro’s Choice for Effortless Water Adapters

## Quick Answers

- **What is this?** John Guest 2 x 1/2" BSP to 12mm Female Water Adapter by john guest
- **How much does it cost?** € 49.09 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/424214335-john-guest-2-x-1-2-bsp-to-12mm-female)

## 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

- • **Dual Pack Advantage:** Two adapters included—perfect for multiple setups or backup, so you’re always ready.
- • **Push-Fit Simplicity:** Quick, tool-free installation saves time and hassle on every project.
- • **Compact & Lightweight:** Slim 40x25x25mm design weighing just 20g fits tight spaces without bulk.
- • **Seamless Compatibility:** Effortlessly connects 12mm semi-rigid hoses to 1/2" BSP fittings for flawless integration.
- • **Genuine John Guest Quality:** Trusted brand ensuring leak-proof, durable brass construction for long-lasting performance.

## Overview

The John Guest 2 x 1/2" BSP to 12mm Female Water Adapter pack offers professional-grade brass fittings designed for quick push-fit connections between 12mm semi-rigid hoses and 1/2" BSP male threads. Ideal for on-demand pump systems, these compact, lightweight adapters ensure leak-free, durable performance and come in a convenient two-pack for versatile use.

## Description

John Guest Female 3.5cm BSP to 12mm Push Fit (Pack of 2) These adapters will allow you to connect a 12mm semi-rigid/push-fit hose to a 1/2" BSP male screw connection as found on Shurflo on-demand pump inlets/outlets. THIS IS A GENUINE John Guest FITTING PLEASE NOTE THAT THIS IS A 12MM SEMI RIGHT PIPING ONLY. It is not suitable for 1/2" reinforced tubing (garden hose)

## Features

- John guest female 1/2 bsp to 12mm push fit water adaptor **(2 pack)**
- John guest

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09Q969VJV |
| ASIN  | B09Q969VJV |
| Best Sellers Rank | #105,631 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #951 in Industrial Pipe Fittings |
| Brand Name | John Guest |
| Color | White |
| Connector Type | Adapter |
| Customer Reviews | 4.7 4.7 out of 5 stars (273) |
| Customer reviews | 4.7 4.7 out of 5 stars (273) |
| Date First Available  | 26 January 2022 |
| Item Dimensions | 40 x 25 x 25 millimeters |
| Item Weight | 20 Grams |
| Item model number  | CM451214FS |
| Manufacturer | John Guest |
| Manufacturer  | John Guest |
| Manufacturer Part Number | FITSET |
| Material Type | Brass |
| Model Number | CM451214FS |
| Number of Packs | 2 |
| Number of Pieces | 2 |
| Product Dimensions  | 4 x 2.5 x 2.5 cm; 20 g |
| Size | 12mm |
| Thread Size | 1/2 |
| Thread Type | BSP |
| Unit Count | 1 Count |

## Product Details

- **Brand:** John Guest
- **Colour:** White
- **Item dimensions L x W x H:** 40 x 25 x 25 millimeters
- **Material:** Brass
- **Size:** 12mm

## Images

![John Guest 2 x 1/2" BSP to 12mm Female Water Adapter - Image 1](https://m.media-amazon.com/images/I/61ZbX4X5M3L.jpg)

## Available Options

This product comes in different **Style** options.

## Frequently Bought Together

- John Guest Female 1/2" BSP to 12mm Push Fit Water Adaptor **(2 Pack)**
- John Guest PP Shut Off Valve Connection 12 mm (One Supplied)
- John Guest Male 1/2" BSP to 12mm Push Fit Water Adaptor **(2 Pack)**

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**Shop now:** [https://www.desertcart.hr/products/424214335-john-guest-2-x-1-2-bsp-to-12mm-female](https://www.desertcart.hr/products/424214335-john-guest-2-x-1-2-bsp-to-12mm-female)

---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-10-11*