---
product_id: 129773998
title: "- Hydro Master Automatic Air Vent Valve 1/8 Inch Brass"
brand: "hydro master"
price: "€ 38.11"
currency: EUR
in_stock: true
category: "Hydro Master"
url: https://www.desertcart.be/products/129773998-hydro-master-automatic-air-vent-valve-1-8-inch-brass
store_origin: BE
region: Belgium
---

# Heavy-duty brass durability Handles up to 240°F heat 1/8" NPT threaded precision fit - Hydro Master Automatic Air Vent Valve 1/8 Inch Brass

**Brand:** hydro master
**Price:** € 38.11
**Availability:** ✅ In Stock

## Summary

> 🔥 Elevate your heating game with precision brass power! ⚙️

## Quick Answers

- **What is this?** - Hydro Master Automatic Air Vent Valve 1/8 Inch Brass by hydro master
- **How much does it cost?** € 38.11 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/129773998-hydro-master-automatic-air-vent-valve-1-8-inch-brass)

## 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

- • **Built to Last:** Robust brass construction ensures eco-friendly, corrosion-resistant performance
- • **Perfect Pairing:** Optimized to work flawlessly with 1" and 1-1/4" air scoops for ultimate air control
- • **Heat-Resistant Reliability:** Withstands temperatures up to 240°F without compromise
- • **Pressure-Ready Performance:** Operates reliably under max 150 psi pressure for peak efficiency
- • **Seamless System Integration:** Universal 1/8" auto air vent fits most heating setups effortlessly

## Overview

The Hydro Master Automatic Air Vent Valve is a durable, 1/8" brass valve designed for efficient air release in heating systems. It supports up to 150 psi pressure and 240°F temperature, featuring a universal NPT threaded connection for easy installation and compatibility with common air scoops, ensuring optimal system performance and longevity.

## Description

desertcart.com: Hydro Master Automatic Air Vent Valve 1/8 Inch Brass : Patio, Lawn & Garden

## 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 |
|---------------|-------|
| ASIN | B07PQFWWZC |
| Best Sellers Rank | #38,551 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #2,463 in Fittings |
| Brand Name | HYDRO MASTER |
| Customer Reviews | 4.6 4.6 out of 5 stars (668) |
| Exterior Finish | Brass |
| Inlet Connection Size | 0.13 Inches |
| Inlet Connection Type | National Pipe Tapered |
| Manufacturer | Boro |
| Manufacturer Part Number | 692232533465 |
| Material Type | Brass |
| Maximum Pressure | 150 Pound per Square Inch |
| Model Number | 692232533465 |
| Number of Ports | 1 |
| Outlet Connection Size | 0.13 Inches |
| Outlet Connection Type | MNPT |
| Size | 1/8” |
| Thread Size | 1/8 inch |
| Thread Type | NPT |
| UPC | 692232533465 |
| Unit Count | 1.0 Count |
| Valve Type | Air Control Valve |

## Product Details

- **Brand:** HYDRO MASTER
- **Exterior Finish:** Brass
- **Inlet Connection Size:** 0.13 Inches
- **Inlet Connection Type:** National Pipe Tapered
- **Material:** Brass
- **Maximum Operating Pressure:** 150 Pound per Square Inch
- **Number of Ports:** 1
- **Outlet Connection Size:** 0.13 Inches
- **Outlet Connection Type:** MNPT
- **Unit Count:** 1.0 Count

## Images

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

## Available Options

This product comes in different **Size** options.

## 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.be/products/129773998-hydro-master-automatic-air-vent-valve-1-8-inch-brass](https://www.desertcart.be/products/129773998-hydro-master-automatic-air-vent-valve-1-8-inch-brass)

---

*Product available on Desertcart Belgium*
*Store origin: BE*
*Last updated: 2026-07-04*