---
product_id: 139109267
title: "Eastman Brass In-Line Check Valve, 1 Inch IPS Threaded Connection, Stainless Steel Spring, 20405LF"
brand: "eastman"
price: "$67"
currency: NZD
in_stock: true
reviews_count: 13
category: "Eastman"
url: https://www.desertcart.nz/products/139109267-eastman-brass-in-line-check-valve-1-inch-ips-threaded
store_origin: NZ
region: New Zealand
---

# 1 inch IPS threaded connection Stainless steel spring, 5 PSI open 200 PSI max working pressure Eastman Brass In-Line Check Valve, 1 Inch IPS Threaded Connection, Stainless Steel Spring, 20405LF

**Brand:** eastman
**Price:** $67
**Availability:** ✅ In Stock

## Summary

> 🚰 Lock in flawless flow with Eastman’s brass check valve — because your system deserves the best!

## Quick Answers

- **What is this?** Eastman Brass In-Line Check Valve, 1 Inch IPS Threaded Connection, Stainless Steel Spring, 20405LF by eastman
- **How much does it cost?** $67 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/139109267-eastman-brass-in-line-check-valve-1-inch-ips-threaded)

## 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:** Solid brass body paired with corrosion-resistant stainless steel spring ensures durability
- • **Safe & Compliant:** Meets NSF and ANSI standards, ensuring lead-free, safe water handling
- • **Pressure Perfected:** Opens at just 5 PSI and withstands up to 200 PSI for reliable performance
- • **Seamless Integration:** 1 inch IPS threaded inlet/outlet fits standard plumbing effortlessly
- • **Maintenance-Free Flow:** Engineered for smooth, hassle-free operation in irrigation and pump systems

## Overview

The Eastman Brass In-Line Check Valve features a 1 inch IPS threaded connection and a durable brass body with a stainless steel spring. It opens at a minimum pressure of 5 PSI and supports up to 200 PSI working pressure, making it ideal for irrigation, pump, and water line applications. Designed for maintenance-free use, it complies with NSF and ANSI standards for safe, lead-free water systems.

## Description

Product Description Simplify your plumbing projects with the Eastman in-line check valve. Constructed from durable brass, this valve is designed to help prevent the backflow of fluids in irrigation, water pump, and general plumbing systems. It features 1 inch IPS threaded connections on both ends, making it compatible with standard piping setups. The stainless steel spring opens with a minimum pressure of 5 PSI and supports a maximum working pressure of 200 PSI. Designed for maintenance-free use, this compact valve helps promote smooth and efficient water flow in residential or commercial systems. From the Manufacturer This 1" IPS Brass In-Line Check Valve is designed to prevent water from traveling back to the source. This check valve is constructed from heavy-duty brass for durability and strength. This valve is compliant with the Safe Drinking Water Act.

Review: K - Quality
Review: Works well and lead free - I use this 1 inch line when I am filling up a pesticide tank for spraying so I thought it might be a good idea to have a backflow valve on this line just in case. Works well.

## Features

- IN-LINE CHECK VALVE: Designed to help prevent backflow of fluids in water supply lines and other plumbing systems
- DESIGN: Features 1 in. IPS threaded inlet and outlet for compatibility with standard plumbing systems
- DURABLE: Built with a solid brass body and stainless steel spring for long-lasting use
- RATED PERFORMANCE: Minimum 5 PSI to open; rated for up to 200 PSI working pressure
- APPLICATION: Suitable for irrigation, pump, or water line applications; designed for maintenance-free operation

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00GZ3H3JW |
| Batteries Required? | No |
| Best Sellers Rank | #109,360 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #196 in Check Valves |
| Brand | Eastman |
| Color | Brass |
| Customer Reviews | 4.6 4.6 out of 5 stars (208) |
| Date First Available | November 28, 2013 |
| Exterior Finish | Stainless Steel,Brass |
| Global Trade Identification Number | 00091712423355 |
| Included Components | valve |
| Inlet Connection Size | 1 Inches |
| Inlet Connection Type | Female Iron Pipe |
| Item Package Quantity | 1 |
| Item Weight | 9.1 ounces |
| Item dimensions L x W x H | 1.5 x 0.7 x 1.4 inches |
| Item model number | 20405LF |
| Manufacturer | EZ-FLO |
| Material | Stainless Steel |
| Maximum Operating Pressure | 200 Pound per Square Inch |
| Measurement System | inch |
| Number of Ports | 2 |
| Outlet Connection Size | 1 Inches |
| Outlet Connection Type | FIP |
| Part Number | 20405LF |
| Product Dimensions | 1.5 x 0.7 x 1.4 inches |
| Size | 1 in. |
| Specification Met | NSF, ANSI |
| Style | Brass In-Line Check Valve |
| UPC | 091712423355 |

## Product Details

- **Brand:** Eastman
- **Exterior Finish:** Stainless Steel,Brass
- **Inlet Connection Size:** 1 Inches
- **Inlet Connection Type:** Female Iron Pipe
- **Item dimensions L x W x H:** 1.5 x 0.7 x 1.4 inches
- **Material:** Stainless Steel
- **Maximum Operating Pressure:** 200 Pound per Square Inch
- **Number of Ports:** 2
- **Outlet Connection Size:** 1 Inches
- **Outlet Connection Type:** FIP

## Images

![Eastman Brass In-Line Check Valve, 1 Inch IPS Threaded Connection, Stainless Steel Spring, 20405LF - Image 1](https://m.media-amazon.com/images/I/31Q3J2a76wL.jpg)
![Eastman Brass In-Line Check Valve, 1 Inch IPS Threaded Connection, Stainless Steel Spring, 20405LF - Image 2](https://m.media-amazon.com/images/I/412kLGrnZTL.jpg)
![Eastman Brass In-Line Check Valve, 1 Inch IPS Threaded Connection, Stainless Steel Spring, 20405LF - Image 3](https://m.media-amazon.com/images/I/41q+phJ7NDL.jpg)
![Eastman Brass In-Line Check Valve, 1 Inch IPS Threaded Connection, Stainless Steel Spring, 20405LF - Image 4](https://m.media-amazon.com/images/I/51CtW4A19XL.jpg)
![Eastman Brass In-Line Check Valve, 1 Inch IPS Threaded Connection, Stainless Steel Spring, 20405LF - Image 5](https://m.media-amazon.com/images/I/51iSKekyMML.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ K
*by J***S on November 5, 2025*

Quality

### ⭐⭐⭐⭐⭐ Works well and lead free
*by T***A on August 11, 2025*

I use this 1 inch line when I am filling up a pesticide tank for spraying so I thought it might be a good idea to have a backflow valve on this line just in case. Works well.

### ⭐⭐⭐⭐ meets your needs
*by R***Y on August 4, 2022*

Fit my requirements. Not sure if it leaks water in a back flow or not. Seems to work okay.

## Frequently Bought Together

- EZ-FLO Brass In-Line Check Valve, 1 Inch IPS, Stainless Steel Spring, 20405LF
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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-01-27*