---
product_id: 480299971
title: "4Pcs 1\" PVC Union Coupling Pipe Fitting (Socket x Socket) 1Inch PVC Slip Union PVC Adapter Coupling Schedule 40, EPDM O-Ring, White"
brand: "lswteiz"
price: "$45.35"
currency: USD
in_stock: true
reviews_count: 8
category: "Lswteiz"
url: https://www.desertcart.us/products/480299971-4pcs-1-pvc-union-coupling-pipe-fitting-socket-x-socket
store_origin: US
region: United States of America
---

# 1-inch heavy-duty PVC union Frost & corrosion resistant EPDM O-ring leak-proof seal 4Pcs 1" PVC Union Coupling Pipe Fitting (Socket x Socket) 1Inch PVC Slip Union PVC Adapter Coupling Schedule 40, EPDM O-Ring, White

**Brand:** lswteiz
**Price:** $45.35
**Availability:** ✅ In Stock

## Summary

> 🔧 Connect with confidence—upgrade your plumbing game effortlessly!

## Quick Answers

- **What is this?** 4Pcs 1" PVC Union Coupling Pipe Fitting (Socket x Socket) 1Inch PVC Slip Union PVC Adapter Coupling Schedule 40, EPDM O-Ring, White by lswteiz
- **How much does it cost?** $45.35 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/480299971-4pcs-1-pvc-union-coupling-pipe-fitting-socket-x-socket)

## Best For

- lswteiz enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Schedule 40 PVC ensures high-impact strength and long-term durability indoors or out.
- • **Certified Quality:** Meets ASTM and NSF standards for trusted, professional-grade plumbing.
- • **Leak-Proof Confidence:** Premium EPDM O-ring seals out water, oil, and solvents for zero leaks every time.
- • **Versatile Application:** Ideal for irrigation, pools, HVAC, and cold water lines—indoor or outdoor.
- • **Effortless Maintenance:** Quick-disconnect union design lets you service pipes without cutting or rewelding.

## Overview

The 1IN PVC Union Coupling is a 1-inch Schedule 40 heavy-duty pipe connector featuring a built-in EPDM O-ring for superior leak resistance. Designed for easy installation and maintenance, it allows quick pipe disconnection without cutting, making it perfect for irrigation, pool systems, and cold water supply. Resistant to frost, corrosion, and chemicals, it meets ASTM and NSF standards, ensuring professional-grade reliability and longevity.

## Description

Buy 4Pcs 1" PVC Union Coupling Pipe Fitting (Socket x Socket) 1Inch PVC Slip Union PVC Adapter Coupling Schedule 40, EPDM O-Ring, White: Pipe Fittings - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Essential 2 Inch PVC Union: Leak-Proof and Maintenance-Friendly - The 2 Inch PVC Union Coupling, featuring a Socket x Socket (Slip×Slip) connection, is an indispensable fitting for any plumbing, irrigation, pool, or HVAC condensate system that requires future servicing or periodic disassembly. While couplings are generally simple components, the engineering of a quality union coupling like this one significantly improves the long-term maintainability of a system. Key Features and Performance Schedule 40 PVC Construction: The use of Schedule 40 PVC ensures durability and compliance with standard pressure and non-pressure pipe applications. The material is corrosion-resistant and capable of handling typical residential and commercial fluid dynamics. Socket (Slip) Connections: Both ends feature 2 inch slip connections designed for solvent welding (PVC cement) to standard 2 inch pipe. This creates permanent, high-strength connections on either side of the union. The Union Advantage: The core value lies in the central nut and coupling design. It allows the pipe system to be broken or separated easily (using the thread component) without requiring the pipe to be cut or the solvent-welded connections to be compromised. This is critical for tasks like replacing a pump, cleaning a filter, or isolating a zone valve. EPDM O-Ring Seal (Premium Feature): The inclusion of an EPDM (Ethylene Propylene Diene Monomer) O-ring is what elevates this product above basic fittings. EPDM is highly resistant to heat, water, weather, and a wide variety of chemicals (including pool chlorine). The O-ring compresses tightly when the union nut is hand-tightened, guaranteeing a positive, leak-proof seal that can be opened and closed repeatedly without needing pipe dope or sealant. In summary, this 2 inch Schedule 40 Union is not merely a piece of plastic; it's a structural component that adds functional intelligence to a fluid system, ensuring that future maintenance tasks are quick, clean, and hassle-free.
Review: No leaks - Seals work well, no leaks.

## Features

- 【Pipe Connector】Union fitting for connecting and disconnecting two pipes more easily than with couplings.
- 【Material】Heavy Duty 1 Inch PVC union made of high-quality PVC, high-impact strength, resistant to frost and corrosion, long service life.
- 【Easy Installation & Sealing】They are non-toxic, lightweight and easy to install. Installation requires the use of primer and solvent cement; Built-in EPDM O-Rings seal for resistance to oil, water, and some solvents.
- 【Wide Application】Furniture-Grade SCH40 Parts, suitable for indoor and outdoor use; Pressure Fittings are used in irrigation, underground sprinkler systems, swim pools, outdoor applications and cold water supply lines, etc.
- 【Use with Confidence】Meets ASTM D2466 and D1784 standards, comply with NSF requirements.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Lswteiz |
| Color | White |
| Connector Type | Union |
| Item dimensions L x W x H | 4.33 x 2.36 x 4.72 inches |
| Material | Polyvinyl Chloride |
| Size | 1Inch |

## Product Details

- **Size:** 1Inch
- **Material:** Polyvinyl Chloride
- **Brand:** Lswteiz
- **Color:** White
- **Item dimensions L x W x H:** 4.33 x 2.36 x 4.72 inches
- **Connector Type:** Union
- **Thread Size:** 1 inch
- **Exterior Finish:** PVC, White
- **Item Weight:** 0.51 Kilograms
- **Number of Pieces:** 4

## Images

![4Pcs 1" PVC Union Coupling Pipe Fitting (Socket x Socket) 1Inch PVC Slip Union PVC Adapter Coupling Schedule 40, EPDM O-Ring, White - Image 1](https://m.media-amazon.com/images/I/51UEvE-ypwL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Essential 2 Inch PVC Union: Leak-Proof and Maintenance-Friendly
*by P***F on October 11, 2025*

The 2 Inch PVC Union Coupling, featuring a Socket x Socket (Slip×Slip) connection, is an indispensable fitting for any plumbing, irrigation, pool, or HVAC condensate system that requires future servicing or periodic disassembly. While couplings are generally simple components, the engineering of a quality union coupling like this one significantly improves the long-term maintainability of a system. Key Features and Performance Schedule 40 PVC Construction: The use of Schedule 40 PVC ensures durability and compliance with standard pressure and non-pressure pipe applications. The material is corrosion-resistant and capable of handling typical residential and commercial fluid dynamics. Socket (Slip) Connections: Both ends feature 2 inch slip connections designed for solvent welding (PVC cement) to standard 2 inch pipe. This creates permanent, high-strength connections on either side of the union. The Union Advantage: The core value lies in the central nut and coupling design. It allows the pipe system to be broken or separated easily (using the thread component) without requiring the pipe to be cut or the solvent-welded connections to be compromised. This is critical for tasks like replacing a pump, cleaning a filter, or isolating a zone valve. EPDM O-Ring Seal (Premium Feature): The inclusion of an EPDM (Ethylene Propylene Diene Monomer) O-ring is what elevates this product above basic fittings. EPDM is highly resistant to heat, water, weather, and a wide variety of chemicals (including pool chlorine). The O-ring compresses tightly when the union nut is hand-tightened, guaranteeing a positive, leak-proof seal that can be opened and closed repeatedly without needing pipe dope or sealant. In summary, this 2 inch Schedule 40 Union is not merely a piece of plastic; it's a structural component that adds functional intelligence to a fluid system, ensuring that future maintenance tasks are quick, clean, and hassle-free.

### ⭐⭐⭐⭐⭐ No leaks
*by D***7 on October 10, 2025*

Seals work well, no leaks.

### ⭐⭐⭐⭐⭐ Great quality
*by J***S on October 26, 2025*

Best quality and durability for sewer lines to pumps !!

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-22*