---
product_id: 446273247
title: "Hydro Master 0571800 1/8 Inch Automatic Air Vent Valve"
brand: "hydro master"
price: "33.16 OMR"
currency: OMR
in_stock: true
url: https://www.desertcart.com.om/products/446273247-hydro-master-0571800-1-8-inch-automatic-air-vent-valve
store_origin: OM
region: Oman
---

# Max 150 psi & 240°F operation 1/8" universal auto air vent Heavy-duty brass, eco-friendly build Hydro Master 0571800 1/8 Inch Automatic Air Vent Valve

**Brand:** hydro master
**Price:** 33.16 OMR
**Availability:** ✅ In Stock

## Summary

> ⚡ Elevate your heating game with Hydro Master’s precision venting!

## Quick Answers

- **What is this?** Hydro Master 0571800 1/8 Inch Automatic Air Vent Valve by hydro master
- **How much does it cost?** 33.16 OMR with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/products/446273247-hydro-master-0571800-1-8-inch-automatic-air-vent-valve)

## Best For

- hydro master enthusiasts

## Why This Product

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

## Key Features

- • **Pressure & Heat Resilience:** Operates reliably under high pressure (up to 150 psi) and elevated temperatures (up to 240°F) for ultimate safety.
- • **Built to Last & Eco-Conscious:** Crafted from durable, heavy-duty brass ensuring longevity and environmentally friendly performance.
- • **Precision Threaded Connection:** 1/8" male NPT threaded inlet ensures a secure, leak-proof fit every time.
- • **Seamless System Compatibility:** Fits most heating systems with a universal 1/8" auto air valve vent for effortless integration.
- • **Perfect Pairing with Air Scoops:** Optimized to work flawlessly with 1" and 1-1/4" air scoops, enhancing your heating system’s efficiency.

## Overview

The Hydro Master 0571800 is a universal 1/8" automatic air vent valve made from heavy-duty brass, designed for durability and eco-friendliness. It supports maximum operating pressures up to 150 psi and temperatures up to 240°F, featuring a 1/8" male NPT threaded connection. Ideal for most heating systems and perfectly compatible with 1" and 1-1/4" air scoops, it ensures efficient and reliable air venting.

## Description

Hydro Master 0571800 1/8 Inch Automatic Air Vent Valve

## Features

- Universal 1/8" auto air valve vent, suits for most heating system
- Made from heavy duty brass construction, durable and eco-friendly
- Maximum operating pressure 150 psi and maximum operating temperature 240°F
- 1/8" male NPT threaded connection
- Working great with our 1" and 1-1/4" air scoop

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material | Brass |
| Brand | HYDRO MASTER |
| Exterior Finish | Brass |
| Inlet Connection Size | 0.13 Inches |
| Inlet Connection Type | Flange |
| Outlet Connection Type | Flange |
| Maximum Operating Pressure | 1.5E+2 Pound per Square Inch |
| Number of Ports | 1 |
| Outlet Connection Size | 0.13 Inches |
| Manufacturer | Boro |
| UPC | 692232533465 |
| Country of Origin | USA |
| Item model number | 692232533465 |
| Package Dimensions | 9.7 x 5.21 x 5.11 cm; 191 g |
| ASIN | B07PQFWWZC |

## Product Details

- **Material:** Brass
- **Brand:** HYDRO MASTER
- **Exterior Finish:** Brass
- **Inlet Connection Size:** 0.13 Inches
- **Inlet Connection Type:** Flange
- **Outlet Connection Type:** Flange
- **Maximum Operating Pressure:** 1.5E+2 Pound per Square Inch
- **Number of Ports:** 1
- **Outlet Connection Size:** 0.13 Inches
- **Manufacturer:** Boro

## Images

![Hydro Master 0571800 1/8 Inch Automatic Air Vent Valve - Image 1](https://m.media-amazon.com/images/I/61GfawJNiEL.jpg)

## Questions & Answers

**Q: Do you loosen the cap on top?**
A: Yes, you must loosen the cap for the air to vent. If you don't it has no where to vent to. Loosen cap 1/2 to full turn. don't over loosen.

**Q: can this be mounted horizontally?**
A: The air vent must be installed vertically.

**Q: Can this be used to purge air from a well water line (cold) after the pump and before it gets to the house?**
A: Yes, but it should be installed at the highest point in the line.

**Q: Does Bignell know water is water hot or cold ?**
A: No it is for steam it only works hot ..used to bleed the line of air so water flows evenly thru line

## Frequently Bought Together

- Hydro Master Automatic Air Vent Valve 1/8 Inch Brass
- Watts 0342691 30 PSI Pressure Relief Valve, Bronze, 3/4" 335 M2-030
- Watts ETX-30 Non-Potable Water Carbon Steel Expansion Tank for Closed Loop Hydronic Heating System Piping, 1/2" MNPT Connection, Tank Volume 4.7 Gallons, Maximum Pressure 75 psi

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**Shop now:** [https://www.desertcart.com.om/products/446273247-hydro-master-0571800-1-8-inch-automatic-air-vent-valve](https://www.desertcart.com.om/products/446273247-hydro-master-0571800-1-8-inch-automatic-air-vent-valve)

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*Product available on Desertcart Oman*
*Store origin: OM*
*Last updated: 2026-01-23*