---
product_id: 31132819
title: "APEC Water Systems Auto Shut Off Valve Replacement Part (ASO)"
brand: "apec water"
price: "781879₫"
currency: VND
in_stock: true
reviews_count: 8
category: "Apec Water"
url: https://www.desertcart.vn/products/31132819-apec-water-systems-auto-shut-off-valve-replacement-part-aso
store_origin: VN
region: Vietnam
---

# Stops Wastewater Drainage 1/4 inch Quick Connect Lightweight & Easy Install APEC Water Systems Auto Shut Off Valve Replacement Part (ASO)

**Brand:** apec water
**Price:** 781879₫
**Availability:** ✅ In Stock

## Summary

> 💧 Stop wasting water, start saving effortlessly!

## Quick Answers

- **What is this?** APEC Water Systems Auto Shut Off Valve Replacement Part (ASO) by apec water
- **How much does it cost?** 781879₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/31132819-apec-water-systems-auto-shut-off-valve-replacement-part-aso)

## Best For

- apec water enthusiasts

## Why This Product

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

## Key Features

- • **Durable & Lightweight:** Sturdy plastic build that’s easy to handle and long-lasting
- • **Seamless Compatibility:** Fits APEC RO models & Watts Premier systems effortlessly
- • **Boosted System Pressure:** Improves your RO system’s performance instantly
- • **Effortless Installation:** Quick connect design means no plumber needed
- • **Water-Saving Efficiency:** Automatically shuts off to prevent endless water waste

## Overview

The APEC Auto Shut Off Valve Replacement Part is a lightweight, easy-to-install plastic valve compatible with multiple APEC and Watts Premier reverse osmosis systems. Featuring a 1/4 inch quick connect inlet, it automatically stops water flow to prevent waste and improves system pressure, making it an essential upgrade for efficient, eco-conscious water filtration.

## Description

desertcart.com: APEC Water Systems Auto Shut Off Valve Replacement Part (ASO) : Tools & Home Improvement

Review: Easy repair of RO system - Fixed my RO system. Easy repair if you always water running this may be your issue.
Review: WILL WORK IN WATTS PREMIER SYSTEMS, NOT JUST APEC - I used this to replace the ASO on our Watts Ro-pure system. It works as a direct replacement. I do notice that the system pressure is better now and the endless wastewater drainage has stopped. Hooray.

## Features

- Automatic Shut Off Valve for APEC Reverse Osmosis Systems Model RO-45, RO-90,RO-PH90,ROES-50,ROES-PH75,ROES-UV75.
- 1/4 inch Quick Connect
- Light Weight,Easy Install and unload
- Compatible with most Reverse Osmosis systems

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | APEC WATER |
| Exterior Finish | Plastic |
| Inlet Connection Size | 0.25 Inches |
| Inlet Connection Type | Quick Connect |
| Item dimensions L x W x H | 6.1 x 3.15 x 1.81 inches |
| Material | Plastic |

## Product Details

- **Material:** Plastic
- **Brand:** APEC WATER
- **Item dimensions L x W x H:** 6.1 x 3.15 x 1.81 inches
- **Inlet Connection Size:** 0.25 Inches
- **Outlet Connection Type:** Quick Connect
- **Maximum Operating Pressure:** 85 Pound per Square Inch
- **Number of Ports:** 2
- **Outlet Connection Size:** 0.25 Inches
- **Specification Met:** NSF
- **Manufacturer:** APEC Water Systems

## Images

![APEC Water Systems Auto Shut Off Valve Replacement Part (ASO) - Image 1](https://m.media-amazon.com/images/I/71k8DSC3sQL.jpg)

## Questions & Answers

**Q: Apec: is a 90% pressure aso valve available (to use with permeate pump)?  my pressure is below the minimum for my ice maker with this 65% valve.**
A: call APEC they are fantastic at helping with any problem.

**Q: My Nu aqua stage 6 motor keeps running**
A: Booster pump and/or the RO system producing water should never run all the time so I would replace the ASO valve.

**Q: Would this work with watts premier system?**
A: Yes. I am using this on a Watts Premier system

**Q: at what prssure will this shut off?**
A: It is designed to shut off at around 50-60% of your inlet water pressure.  If you need further assistance, feel free to contact us directly by calling 1-800-880-4808 or e-mailing us at info@apecwater.com. We are in the office from Monday-Friday from 8:00am-5:30pm PST. Best Regards, APEC Customer Service

## Customer Reviews

### ⭐⭐⭐⭐⭐ Easy repair of RO system
*by D***L on September 26, 2025*

Fixed my RO system. Easy repair if you always water running this may be your issue.

### ⭐⭐⭐⭐⭐ WILL WORK IN WATTS PREMIER SYSTEMS, NOT JUST APEC
*by R***R on October 8, 2025*

I used this to replace the ASO on our Watts Ro-pure system. It works as a direct replacement. I do notice that the system pressure is better now and the endless wastewater drainage has stopped. Hooray.

### ⭐⭐⭐⭐⭐ Perfect replacement
*by T***D on October 2, 2025*

Exactly what I needed, works good.

## Frequently Bought Together

- APEC Water Systems Auto Shut Off Valve Replacement Part (ASO)
- APEC Water Systems 1/4" Quick Connect Check Valve Replacement Part (Check-VAL)
- APEC ESSENCE Series 50 GPD Complete Replacement Filter For Undersink System(FILTER-MAX-ES50)

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-02-26*