---
product_id: 623332221
title: "EZ-Flo 3310844 20429LF Brass Swing Check Valve"
brand: "eastman"
price: "¥33626"
currency: JPY
in_stock: true
category: "Eastman"
url: https://www.desertcart.jp/products/623332221-ez-flo-3310844-20429lf-brass-swing-check-valve
store_origin: JP
region: Japan
---

# 2" IPS Connection Durable Brass Body 125 PSI / 200 WOG Pressure Rating EZ-Flo 3310844 20429LF Brass Swing Check Valve

**Brand:** eastman
**Price:** ¥33626
**Availability:** ✅ In Stock

## Summary

> 🚰 Stop the Backflow, Start the Flow: The Brass Valve That Means Business

## Quick Answers

- **What is this?** EZ-Flo 3310844 20429LF Brass Swing Check Valve by eastman
- **How much does it cost?** ¥33626 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/623332221-ez-flo-3310844-20429lf-brass-swing-check-valve)

## 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

- • **Robust Brass Construction:** Built to last with corrosion-resistant brass that stands up to daily wear and tear.
- • **Lead-Free Safety Certified:** NSF, ASSE, UPC certified for potable water—safe for your home and environment.
- • **Versatile Pressure Handling:** Handles up to 125 PSI (200 WOG), perfect for residential and light commercial use.
- • **Reliable Backflow Prevention:** Keep your water supply pure and uncontaminated with precision-engineered swing check action.
- • **Easy Installation & Operation:** Designed for hassle-free setup and smooth, maintenance-free performance.

## Overview

The EZ-FLO 20431LF Brass Swing Check Valve is a lead-free, brass-constructed valve designed to prevent backflow in potable water systems. With a 2" IPS connection and a pressure rating of 125 PSI (200 WOG), it ensures reliable, durable performance for residential and light commercial plumbing applications.

## Description

Introducing the Eastman Swing Check Valve, a masterpiece of engineering designed to provide unparalleled reliability for your home water systems. Crafted from robust and durable brass, this check valve ensures a long-lasting solution to prevent the undesirable backflow of fluids into your water supply. This valve is essential for maintaining the integrity of well and boiler systems, safeguarding your potable water from contamination. With a solid 1-1/2 inch IPS connection, this straight pattern check valve boasts a working pressure of 125 PSI to 200 Water, Oil, and Gas (WOG), offering peace of mind through its exceptional product safety standards. The Eastman Swing Check Valve is lead-free, meeting all regulatory requirements for safe water supply installations.

## Features

- 1-1/2" IPS Connection
- Straight pattern 125 PSI - 200 WOG
- Brass body construction
- Used to prevent the backflow of fluids

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00GZ3H8VK |
| Brand | Eastman |
| Customer Reviews | 4.4 4.4 out of 5 stars (29) |
| Exterior Finish | Brass |
| Global Trade Identification Number | 00091712423447 |
| Inlet Connection Size | 1.5 Inches |
| Inlet Connection Type | threaded |
| Item Dimensions | 10.4 x 9.4 x 5.6 centimetres |
| Item Weight | 386 g |
| Manufacturer | EZ-FLO |
| Material | Brass |
| Maximum Pressure | 200 Pound per Square Inch |
| Model Number | 20429LF |
| Number of Pieces | 1 |
| Number of Ports | 1 |
| Outlet Connection Size | 1.5 Inches |
| Outlet Connection Type | FIP |
| Part Number | 20429LF |
| Size | 1-1/2 in. |
| Thread Size | 1-1/2 inches |
| Thread Type | NPT |
| UPC | 091712423447 |
| Unit Count | 1.0 count |
| Valve Type | Check Valve |

## Product Details

- **Brand:** Eastman
- **Exterior finish:** Brass
- **Inlet connection size:** 1.5 Inches
- **Inlet connection type:** threaded
- **Item dimensions L x W x H:** 10.4 x 9.4 x 5.6 centimetres
- **Material:** Brass
- **Maximum operating pressure:** 200 Pound per Square Inch
- **Number of ports:** 1
- **Outlet connection size:** 1.5 Inches
- **Outlet connection type:** FIP

## Images

![EZ-Flo 3310844 20429LF Brass Swing Check Valve - Image 1](https://m.media-amazon.com/images/I/61xWYeF+bHL.jpg)
![EZ-Flo 3310844 20429LF Brass Swing Check Valve - Image 2](https://m.media-amazon.com/images/I/71Gb+XsYYOL.jpg)
![EZ-Flo 3310844 20429LF Brass Swing Check Valve - Image 3](https://m.media-amazon.com/images/I/615eHAD3P+L.jpg)
![EZ-Flo 3310844 20429LF Brass Swing Check Valve - Image 4](https://m.media-amazon.com/images/I/61rrGRp5uLL.jpg)
![EZ-Flo 3310844 20429LF Brass Swing Check Valve - Image 5](https://m.media-amazon.com/images/I/71yM5-i+4oL.jpg)

## Available Options

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

## Questions & Answers

**Q: Is this for 1 1/2" pipe or is it for a quantity of 1 for a 1/2" pipe?**
A: 1-1/2 inch IPS, not a quantity of one for 1/2 inch.

**Q: Can this be used with hose thread?**
A: These are pipe thread which is slightly different from hose thread. However there are hose adapters out there to make the transition

**Q: Does the swing valve have a spring too or just free floating?  Needed for lake pump but would be horizontal, so would it still work?**
A: The swing check valve does have a spring, but should not be an issue for the application you have described.

**Q: This says it is threaded as fip...is this compatible with male npt threads?**
A: Yes,  FIP and NPT are interchangeable.

## Frequently Bought Together

- Eastman Brass Swing Check Valve, 2 Inch IPS, Brass Plumbing Fitting, 20431LF
- DAN SPEED 2" NPT Female 316 Stainless Steel Full Port Ball Valve Vinyl Handle WOG1000
- Megairon 2" x 2" NPT Male Threaded Hex Nipple,Stainless Steel 304 Quick Coupler Pipe Fitting

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**Shop now:** [https://www.desertcart.jp/products/623332221-ez-flo-3310844-20429lf-brass-swing-check-valve](https://www.desertcart.jp/products/623332221-ez-flo-3310844-20429lf-brass-swing-check-valve)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-05-12*