---
product_id: 670740
title: "Symmons W-400 Laundry-Mate Washing Machine Valve"
brand: "symmons"
price: "5393 som"
currency: KGS
in_stock: false
reviews_count: 13
url: https://www.desertcart.kg/products/670740-symmons-w-400-laundry-mate-washing-machine-valve
store_origin: KG
region: Kyrgyzstan
---

# Controls water pressure Standard 3/4 inch NPT inlet Durable brass build Symmons W-400 Laundry-Mate Washing Machine Valve

**Brand:** symmons
**Price:** 5393 som
**Availability:** ❌ Out of Stock

## Summary

> 💧 Keep your laundry safe and dry with pro-level water control!

## Quick Answers

- **What is this?** Symmons W-400 Laundry-Mate Washing Machine Valve by symmons
- **How much does it cost?** 5393 som with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.kg](https://www.desertcart.kg/products/670740-symmons-w-400-laundry-mate-washing-machine-valve)

## Best For

- symmons enthusiasts

## Why This Product

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

## Key Features

- • **Peace of Mind Warranty:** Backed by a limited lifetime consumer warranty and 10-year commercial coverage.
- • **Built to Last with Brass:** Resilient brass construction ensures long-term reliability under heat and pressure.
- • **Flood Prevention Champion:** Effectively reduces excessive water pressure to protect your home from costly flooding.
- • **Professional-Grade Plumbing:** Trusted by experts for over 70 years, delivering consistent performance every time.
- • **Easy Wall-Mounted Installation:** Compact design with standard fittings for seamless integration into your laundry setup.

## Overview

The Symmons W-400 Laundry-Mate Washing Machine Valve is a durable, brass shutoff valve designed to regulate domestic water pressure and prevent flooding caused by burst hoses. Featuring a 3/4 inch female NPT inlet and threaded outlet, it offers easy wall-mounted installation and is trusted by plumbing professionals for over 70 years. This valve comes with a limited lifetime consumer warranty and a 10-year commercial warranty, ensuring reliable protection for your home or business.

## Description

Product Description               W-400 Washing Machine Unit                  From the Manufacturer               Symmons W-400 Laundry-Mate Washing Machine Valve. Trusted by Plumbing Professionals for over 70 Years.

## Features

- Symmons LaundryMate Washing Machine shutoff valve
- Designed to withstand domestic water supply pressures
- Resilient brass valve withstands heat and water supply pressure
- Helps alleviate excessive water pressure to prevent flooding
- Removes water supply pressure to limit danger of flooding from bursting supply hoses

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material | Brass, Plastic |
| Brand | Symmons |
| Item dimensions L x W x H | 7.88 x 5.88 x 5 inches |
| Exterior Finish | Brass |
| Inlet Connection Type | 3/4 inch female NPT |
| Outlet Connection Type | Threaded |
| Number of Ports | 2 |
| Outlet Connection Size | 0.5 Inches |
| Global Trade Identification Number | 00671256821451 |
| Manufacturer | Symmons |
| UPC | 671256821451 |
| Part Number | W-400 |
| Item Weight | 1.26 pounds |
| Product Dimensions | 7.88 x 5.88 x 5 inches |
| Item model number | W-400 |
| Is Discontinued By Manufacturer | No |
| Size | 5.875 x 7.875 x 5 inches |
| Color | Brass |
| Style | Functional |
| Finish | Brass |
| Installation Method | Wall-Mounted |
| Item Package Quantity | 1 |
| Number Of Pieces | 1 |
| Number of Handles | 1 |
| Measurement System | inch |
| Batteries Included? | No |
| Batteries Required? | No |
| Warranty Description | Limited lifetime consumer warranty;10 year warranty for commercial use |

## Product Details

- **Material:** Brass, Plastic
- **Brand:** Symmons
- **Item dimensions L x W x H:** 7.88 x 5.88 x 5 inches
- **Exterior Finish:** Brass
- **Inlet Connection Type:** 3/4 inch female NPT
- **Outlet Connection Type:** Threaded
- **Number of Ports:** 2
- **Outlet Connection Size:** 0.5 Inches
- **Global Trade Identification Number:** 00671256821451
- **Manufacturer:** Symmons

## Images

![Symmons W-400 Laundry-Mate Washing Machine Valve - Image 1](https://m.media-amazon.com/images/I/71A6-1TOZmL.jpg)
![Symmons W-400 Laundry-Mate Washing Machine Valve - Image 2](https://m.media-amazon.com/images/I/51Gl5hL3OXL.jpg)
![Symmons W-400 Laundry-Mate Washing Machine Valve - Image 3](https://m.media-amazon.com/images/I/71q2EVg+oeL.jpg)

## Questions & Answers

**Q: Where do the incoming water lines hook up. Looks like they come from the bottom of the valve right behind the washer hoses.**
A: Exactly, they come from the bottom of the valve right behind the washer hoses.The incoming water lines have to be soldered (sweated) to the rear of the valve.The valve itself can then be unscrewed from the rear 2 parts that are now soldered to the water lines.This way the valve itself can be replaced without having to re-solder/reconnect the two rear parts to the water lines.These valves need to be "exercised", (opened/closed), a few times/year or after several years they get stuck inside in the open position and you can not disconnect the rubber hoses to the washing machine since you'll flood your place.  That's a well known issue with these valves, the manufacturer is aware of this problem, and if you can't access the rear of your washing machine to exercise the valve you should probably look into another setup.

**Q: is this a shutoff valve?**
A: Yes.  the 2 inputs at the top need to be attached to your home copper tubing, and the outputs on the bottom to the hoses to your washer.  This works well in a washing machine valve box inset in the wall.  The chrome lever in the picture shuts the water off to the washer when the washer is not in use.  It makes shutting off the water much easier when you leave the house.  I had one for about 5-7 years and it stopped shutting off the water, it would only shut off the cold, so I bought a replacement and now works fine.

**Q: please help me,need ti replace the valve,kindly measure the  inner line, from one screw to the other so i would know if this would fit my old one.ty**
A: if it is the same brand it should work

**Q: What comes in the package?  Does it come with new gaskets and screws or is it just the valve and two connectors as is show in the picture?**
A: The W-400 comes complete with all the gaskets and screw, ready to install.

## Customer Reviews

### ⭐⭐⭐⭐ 4.0 out of 5 stars







  
  
    Easy replacement
  

*by M***B on Reviewed in the United States on May 11, 2023*

Was a perfect replacement for an old valve where the shut-off was no longer working.  I didn't need to replace the pipe fittings, just the valve so really just a couple of screws.  In my case, the washers that came with the replacement were too small and didn't provide a good seal.  I had to run out and pick up a couple of larger ones and that solved it.  Maybe that was just an isolated issue that others won't run into but be prepared.  Compare the new washers to what is on the existing valve and you'll know if you want to have an optional set standing by.

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Replaced a 40+ Year Old Version of this Valve in less than 15 minutes!
  

*by S***D on Reviewed in the United States on January 10, 2021*

I discovered my original washer shutoff valve was no longer operating properly, so I was planning to install 2 new ball valves in the hot & cold piping just above the old washer valve so I could shut off the water supplies to my washer.  I happened to show the plumber at my local HD a picture of this old washer valve and asked him if he had ever seen one of these and he immediately said it looked like a Symmons Washer Valve, despite the fact that my valve didn't have the name 'Symmons' anywhere on the valve body.  He informed me that they used to carry them at the store, but didn't any more.  After finding this on Amazon, I decided to take a chance since it looked like the same valve.  I was worried about removing the 2 screws and whether the old valve would separate from the fittings in the back since this valve was already installed when we bought our house in 1985....and it certainly didn't look new way back then either.  I was shocked how easy it was to replace the valve; the screws needed a little encouraging to break loose, but once both screws were removed, the valve separated easily from the 2 union ell fittings.  The most difficult part of the replacement (which really wasn't difficult) was removing the old washers from the fittings - they were so old they were stuck pretty good and I had to use a razor knife to scrape them off.  After cleaning up the fittings and installing the 2 new washers, the valve attached with no problem using the 2 new screws (with washers).  I'm so glad I didn't have to mess with the existing copper pipes.  Of course, I had shut-off the main water supply and drained the water in the lines before starting this repair.  And before I attached my washer hoses, I made sure the valve worked properly by leaving the lever to the OFF position when I turned the main water supply back on.  It worked fine!  As others have mentioned, this valve has a tendency to fail over time if you don't occasionally operate the valve, so I plan to do that on a regular basis.

### ⭐⭐⭐ 3.0 out of 5 stars







  
  
    Questionable
  

*by N***H on Reviewed in the United States on June 29, 2023*

First one was defective.

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---

*Product available on Desertcart Kyrgyzstan*
*Store origin: KG*
*Last updated: 2026-02-11*