---
product_id: 28498498
title: "Brass Swing Check Valve, 3/4 Inch Copper Sweat, Brass Plumbing Fitting, 20443LF"
brand: "eastman"
price: "$53"
currency: NZD
in_stock: true
reviews_count: 8
url: https://www.desertcart.nz/products/28498498-brass-swing-check-valve-3-4-inch-copper-sweat-brass
store_origin: NZ
region: New Zealand
---

# 200 PSI max operating pressure 3/4 inch copper sweat connection Lead-free brass durability Brass Swing Check Valve, 3/4 Inch Copper Sweat, Brass Plumbing Fitting, 20443LF

**Brand:** eastman
**Price:** $53
**Availability:** ✅ In Stock

## Summary

> 🚰 Keep your water flowing forward—no backflow, no worries!

## Quick Answers

- **What is this?** Brass Swing Check Valve, 3/4 Inch Copper Sweat, Brass Plumbing Fitting, 20443LF by eastman
- **How much does it cost?** $53 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/28498498-brass-swing-check-valve-3-4-inch-copper-sweat-brass)

## Best For

- eastman enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Premium lead-free brass construction ensures unmatched longevity and corrosion resistance.
- • **Effortless Installation:** 3/4 inch copper sweat connection designed for quick, secure plumbing integration.
- • **Versatile Pressure Handling:** Reliable performance up to 200 PSI, perfect for wells, boilers, and potable water systems.
- • **Certified Safety & Compliance:** Meets ASSE 1013 and NSF/ANSI 372 standards for safe, potable water use.
- • **Precision Backflow Protection:** Engineered swing check mechanism prevents contamination and costly water damage.

## Overview

The Eastman Brass Swing Check Valve (3/4 inch copper sweat) is a durable, lead-free plumbing fitting designed to prevent backflow in water systems. With a robust brass build, it supports up to 200 PSI and meets key safety certifications, making it ideal for wells, boilers, and potable water installations. Easy to install and engineered for reliability, it safeguards your water supply from contamination.

## Description

Eastman Brass Swing Check Valve, 3/4 Inch Copper Sweat, Brass Plumbing Fitting, 20443LF

## Features

- EASTMAN BRASS SWING CHECK VALVE: The Eastman swing check valve features a mechanism specifically engineered as a backflow preventer, protecting your water systems from contamination and damage
- DURABLE: This Swing Check Valve is crafted from high-quality brass, ensuring longevity and reliability as a backflow preventer in water supply systems
- VERSATILE: With a working pressure of 125 PSI to 200 WOG, this check valve is perfect for a variety of uses including wells, boiler systems, and potable water installations
- EASY TO INSTALL: Designed with a 3/4 inch copper sweat connection, this swing check valve ensures a secure and straightforward installation process

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material | Brass, Copper |
| Brand | Eastman |
| Item dimensions L x W x H | 2.91 x 2.91 x 2.19 inches |
| Exterior Finish | Brass |
| Inlet Connection Type | Sweat |
| Outlet Connection Type | Sweat |
| Maximum Operating Pressure | 200 Pound per Square Inch |
| Number of Ports | 2 |
| Specification Met | ASSE 1013, NSF/ANSI 372 |
| Global Trade Identification Number | 00091712423508 |
| Manufacturer | EZ-FLO |
| UPC | 091712423508 |
| Part Number | 20443LF |
| Item Weight | 8.8 ounces |
| Product Dimensions | 2.91 x 2.91 x 2.19 inches |
| Item model number | 20443LF |
| Size | 3/4 in. |
| Color | Brass |
| Style | 3/4 inch Copper |
| Item Package Quantity | 1 |
| Measurement System | inch |
| Included Components | valve |
| Batteries Required? | No |

## Product Details

- **Material:** Brass, Copper
- **Brand:** Eastman
- **Item dimensions L x W x H:** 2.91 x 2.91 x 2.19 inches
- **Exterior Finish:** Brass
- **Inlet Connection Type:** Sweat
- **Outlet Connection Type:** Sweat
- **Maximum Operating Pressure:** 200 Pound per Square Inch
- **Number of Ports:** 2
- **Specification Met:** ASSE 1013, NSF/ANSI 372
- **Global Trade Identification Number:** 00091712423508

## Images

![Brass Swing Check Valve, 3/4 Inch Copper Sweat, Brass Plumbing Fitting, 20443LF - Image 1](https://m.media-amazon.com/images/I/61R8p2WqyuL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Easy install
*by A***W on July 17, 2024*

Installation was straight forward.Shutoff waterCut copper pipeRemove the top nut from fitting.Apply fluxsolder inapply pipe dope to top nutinstall top cut tightenturn on water

### ⭐⭐⭐⭐⭐ perfect fit
*by R***N on September 17, 2024*

Exactly as described

### ⭐⭐⭐⭐⭐ well made
*by G***N on October 23, 2023*

This check valve was a replacement for an aged one with the same features. Hope it lasts as long as the original - it should

## Frequently Bought Together

- Eastman Brass Swing Check Valve, 3/4 Inch Copper Sweat, Brass Plumbing Fitting, 20443LF
- Taco 006-B4 Bronze Circulator Pump 3/4-Inch Sweat
- Eastman 3/4 Inch Sweat Heavy Duty Full Port Ball Valve, Brass Plumbing Fitting, 20063LF

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**Shop now:** [https://www.desertcart.nz/products/28498498-brass-swing-check-valve-3-4-inch-copper-sweat-brass](https://www.desertcart.nz/products/28498498-brass-swing-check-valve-3-4-inch-copper-sweat-brass)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-03-08*