---
product_id: 667227672
title: "THE WHITE SHOP True Union Check Valve, DN40-1-1/2'' PVC Check Valve, Combination Check Valve, Heavy Duty Ball Check Valve, with Slip Full Port, Slip Connection, for Fluid Systems Backflow Preven"
brand: "the white shop"
price: "฿1879"
currency: THB
in_stock: true
url: https://www.desertcart.co.th/products/667227672-the-white-shop-true-union-check-valve-dn40-1-1
store_origin: TH
region: Thailand
---

# Fluid Compatibility Backflow Prevention Heavy Duty Design THE WHITE SHOP True Union Check Valve, DN40-1-1/2'' PVC Check Valve, Combination Check Valve, Heavy Duty Ball Check Valve, with Slip Full Port, Slip Connection, for Fluid Systems Backflow Preven

**Brand:** the white shop
**Price:** ฿1879
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate Your Fluid Control Game!

## Quick Answers

- **What is this?** THE WHITE SHOP True Union Check Valve, DN40-1-1/2'' PVC Check Valve, Combination Check Valve, Heavy Duty Ball Check Valve, with Slip Full Port, Slip Connection, for Fluid Systems Backflow Preven by the white shop
- **How much does it cost?** ฿1879 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/667227672-the-white-shop-true-union-check-valve-dn40-1-1)

## Best For

- the white shop enthusiasts

## Why This Product

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

## Key Features

- • **Easy Installation:** Slip connection design allows for quick and hassle-free setup.
- • **Versatile Application:** Ideal for both residential and commercial fluid systems.
- • **Robust PVC Construction:** Durable and resistant to corrosion, perfect for various fluid systems.
- • **Unmatched Backflow Protection:** Engineered with a precision ball mechanism to ensure one-way flow.
- • **Exceptional Sealing Performance:** Equipped with high-quality washers for leak-proof operation.

## Overview

The WHITE SHOP True Union Check Valve is a 1-1/2 inch PVC check valve designed to prevent backflow in fluid systems. Featuring a robust ball mechanism and excellent sealing capabilities, this heavy-duty valve ensures reliable performance and easy installation for various applications.

## Description

THE WHITE SHOP True Union Check Valve, DN40-1-1/2'' PVC Check Valve, Combination Check Valve, Heavy Duty Ball Check Valve, with Slip Full Port, Slip Connection, for Fluid Systems Backflow Preven

## Features

- 【True Union Ball Check Valve】The 1-1/2 inch union check valve is disigned with a ''Ball'' inside which is used for avoid backflow (only allow flow for one direction). (No Spring Inside)
- 【Excellent Sealing】The inside ‘’ball‘’ and the washers provide 1-1/2 inch pvc swing check valve with an excellent sealing when the fluid flows back.

## Product Details

- **Brand:** THE WHITE SHOP
- **Manufacturer:** THE WHITE SHOP
- **UPC:** 729503144911

## Images

![THE WHITE SHOP True Union Check Valve, DN40-1-1/2'' PVC Check Valve, Combination Check Valve, Heavy Duty Ball Check Valve, with Slip Full Port, Slip Connection, for Fluid Systems Backflow Preven - Image 1](https://m.media-amazon.com/images/I/61DBFMu-AiL.jpg)
![THE WHITE SHOP True Union Check Valve, DN40-1-1/2'' PVC Check Valve, Combination Check Valve, Heavy Duty Ball Check Valve, with Slip Full Port, Slip Connection, for Fluid Systems Backflow Preven - Image 2](https://m.media-amazon.com/images/I/71fF67ceh1L.jpg)
![THE WHITE SHOP True Union Check Valve, DN40-1-1/2'' PVC Check Valve, Combination Check Valve, Heavy Duty Ball Check Valve, with Slip Full Port, Slip Connection, for Fluid Systems Backflow Preven - Image 3](https://m.media-amazon.com/images/I/61Sw1NKYKhL.jpg)
![THE WHITE SHOP True Union Check Valve, DN40-1-1/2'' PVC Check Valve, Combination Check Valve, Heavy Duty Ball Check Valve, with Slip Full Port, Slip Connection, for Fluid Systems Backflow Preven - Image 4](https://m.media-amazon.com/images/I/61vJlNdzExL.jpg)
![THE WHITE SHOP True Union Check Valve, DN40-1-1/2'' PVC Check Valve, Combination Check Valve, Heavy Duty Ball Check Valve, with Slip Full Port, Slip Connection, for Fluid Systems Backflow Preven - Image 5](https://m.media-amazon.com/images/I/61-w+1enZcL.jpg)

## Frequently Bought Together

- THE WHITE SHOP True Union Check Valve, 1-1/2'' PVC Check Valve, 1pcs Combination Check Valve, Heavy Duty Ball Check Valve, with Slip Full Port, Slip x Slip Connection,for Fluid Systems Backflow Preven
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**Shop now:** [https://www.desertcart.co.th/products/667227672-the-white-shop-true-union-check-valve-dn40-1-1](https://www.desertcart.co.th/products/667227672-the-white-shop-true-union-check-valve-dn40-1-1)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-03-10*