---
product_id: 31132819
title: "APEC Water ASO Auto Shut Off Valve Replacement Part, 0.25 Inch"
brand: "apec water"
price: "R$184"
currency: BRL
in_stock: true
category: "Apec Water"
url: https://www.desertcart.com.br/products/31132819-apec-water-aso-auto-shut-off-valve-replacement-part-0
store_origin: BR
region: Brazil
---

# Auto shut-off for RO systems 0.25 inch quick connect Lightweight & easy install APEC Water ASO Auto Shut Off Valve Replacement Part, 0.25 Inch

**Brand:** apec water
**Price:** R$184
**Availability:** ✅ In Stock

## Summary

> 💧 Upgrade your water game with effortless precision!

## Quick Answers

- **What is this?** APEC Water ASO Auto Shut Off Valve Replacement Part, 0.25 Inch by apec water
- **How much does it cost?** R$184 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/31132819-apec-water-aso-auto-shut-off-valve-replacement-part-0)

## 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

- • **Featherlight Design:** Under 2 ounces for effortless handling and install.
- • **Smart Auto Shut-Off:** Stops water flow automatically to save your system and wallet.
- • **NSF Certified Reliability:** Built to meet strict safety and quality standards.
- • **Universal RO Compatibility:** Fits top APEC RO models for instant upgrade.
- • **Seamless 0.25" Quick Connect:** Snap it in, no hassle, no leaks.

## Overview

The APEC Water ASO Auto Shut Off Valve is a lightweight, 0.25-inch quick connect replacement part designed for seamless integration with popular APEC Reverse Osmosis systems. It automatically stops water flow to protect your filtration system, ensuring efficiency and safety. Easy to install and NSF certified, it’s a must-have upgrade for maintaining pristine water quality.

## Description

desertcart.com: APEC Water ASO Auto Shut Off Valve Replacement Part, 0.25 Inch | Automatic Shut Off for APEC RO Systems, 1 Unit, Quick Connect, Lightweight, Easy Installation : Tools & Home Improvement

## 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 |
|---------------|-------|
| ASIN | B01IE3591Y |
| Best Sellers Rank | #24,855 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #8 in Undersink Water Filtration Replacement Parts |
| Brand Name | APEC WATER |
| Customer Reviews | 4.5 4.5 out of 5 stars (908) |
| Exterior Finish | Plastic |
| Included Components | ASO |
| Inlet Connection Size | 0.25 inches |
| Inlet Connection Type | Quick Connect |
| Item Dimensions | 6.1 x 3.15 x 1.81 inches |
| Item Highlight | Automatic Shut Off for APEC RO Systems, 1 Unit, Quick Connect, Lightweight, Easy Installation |
| Item Type Name | Auto Shut-Off Valve |
| Item Weight | 1.76 ounces |
| Manufacturer | APEC Water Systems |
| Manufacturer Part Number | ASO |
| Material Type | Plastic |
| Maximum Pressure | 85 psi |
| Model Number | ASO |
| Number of Items | 1 |
| Number of Packs | 1 |
| Number of Pieces | 1 |
| Number of Ports | 2 |
| Outlet Connection Size | 0.25 inches |
| Outlet Connection Type | Quick Connect |
| Size | 0.25 Inch |
| Specification Met | NSF |
| UPC | 851001007402 |
| Unit Count | 1 Count |
| Valve Type | Automatic Shut Off Valve |

## Product Details

- **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
- **Maximum Operating Pressure:** 85 psi
- **Number of Ports:** 2
- **Outlet Connection Size:** 0.25 inches
- **Outlet Connection Type:** Quick Connect

## Images

![APEC Water ASO Auto Shut Off Valve Replacement Part, 0.25 Inch - Image 1](https://m.media-amazon.com/images/I/315CILiX0iL.jpg)
![APEC Water ASO Auto Shut Off Valve Replacement Part, 0.25 Inch - Image 2](https://m.media-amazon.com/images/I/41JGI127b0L.jpg)
![APEC Water ASO Auto Shut Off Valve Replacement Part, 0.25 Inch - Image 3](https://m.media-amazon.com/images/I/419Y7i4TlgL.jpg)
![APEC Water ASO Auto Shut Off Valve Replacement Part, 0.25 Inch - Image 4](https://m.media-amazon.com/images/I/41eZ+R9uUtL.jpg)
![APEC Water ASO Auto Shut Off Valve Replacement Part, 0.25 Inch - Image 5](https://m.media-amazon.com/images/I/51kXUM9TACL.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

## 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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**Shop now:** [https://www.desertcart.com.br/products/31132819-apec-water-aso-auto-shut-off-valve-replacement-part-0](https://www.desertcart.com.br/products/31132819-apec-water-aso-auto-shut-off-valve-replacement-part-0)

---

*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-09-18*