---
product_id: 629253437
title: "Brass 1/2\" NPT Male Air Vent Valve Automatic Float Valve Air Release Air Bleeder Valve"
brand: "besnpt"
price: "€ 43.70"
currency: EUR
in_stock: true
reviews_count: 4
category: "Bes Npt"
url: https://www.desertcart.be/products/629253437-brass-1-2-npt-male-air-vent-valve-automatic-float
store_origin: BE
region: Belgium
---

# Continuous air venting under pressure High temperature & impact resistance Solid brass build for durability Brass 1/2" NPT Male Air Vent Valve Automatic Float Valve Air Release Air Bleeder Valve

**Brand:** besnpt
**Price:** € 43.70
**Availability:** ✅ In Stock

## Summary

> 🔥 Keep your heating system flawless with brass precision! 🛠️

## Quick Answers

- **What is this?** Brass 1/2" NPT Male Air Vent Valve Automatic Float Valve Air Release Air Bleeder Valve by besnpt
- **How much does it cost?** € 43.70 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/629253437-brass-1-2-npt-male-air-vent-valve-automatic-float)

## Best For

- besnpt enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Crafted from solid brass for unmatched strength and longevity in demanding heating systems.
- • **Leak-Free Venting:** Unique valve design guarantees air release without water discharge, maintaining system efficiency and preventing mess.
- • **Seamless Integration:** Standard 1/2" NPT male thread fits effortlessly into heating manifolds, solar water heaters, and underfloor heating setups.
- • **Heat & Impact Resilient:** Engineered to withstand high temperatures and resist freezing or impact damage, ensuring reliable performance year-round.
- • **Pressure-Activated Air Release:** Automatically vents trapped air as long as system pressure is present, optimizing heating system operation without manual intervention.

## Overview

This Brass 1/2" NPT Male Air Vent Valve is a robust, automatic float valve designed for efficient air release in heating systems. Made from solid brass, it offers high temperature and impact resistance, ensuring durability and reliable venting without water leakage. Ideal for solar water heaters, underfloor heating manifolds, and other heating accessories, it features standard NPT threading for easy installation and continuous air venting under system pressure.

## Description

Brass 1/2" NPT Male Air Vent Valve Automatic Float Valve Air Release Air Bleeder Valve

Review: It works - Good for price
Review: Leaks - Leaks. No way to tighten the valve properly. You need a big pipe wrench to grip the main body. The o ring is useless. The threads are too short to make a good seal. Poorly designed .Usual Chinese junk

## Features

- Inclub: 1PCS 1/2" G male vent valve. 1PCS 1/2" G female to 1/2" NPT male connector.
- Material: Solid brass. High strength, High temperature resistance, with certain anti freezing and anti impact capabilities
- The exhaust valve features a unique structural design that guarantees no water discharge during venting.
- As long as there is pressure in the system, the exhaust valve will continue venting.
- Primarily employed in heating systems, solar water heaters, underfloor heating manifolds, heating accessories, and more.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CZP25L8S |
| Brand | BesNPT |
| Customer Reviews | 3.5 out of 5 stars 8 Reviews |
| Exterior Finish | Brass |
| Exterior finish | Brass |
| Included Components | NO |
| Inlet Connection Type | National Pipe Tapered |
| Inlet connection type | National Pipe Tapered |
| Item Dimensions | 25 x 13 x 25 millimetres |
| Item Type Name | msk-2404-000940tqf |
| Item dimensions L x W x H | 25 x 13 x 25 millimetres |
| Manufacturer | BesNPT |
| Material | Brass |
| Model Number | msk-2404-000940tqf |
| Number of Items | 1 |
| Number of Pieces | 2 |
| Number of Ports | 2 |
| Outlet Connection Size | 0.5 Inches |
| Outlet Connection Type | MNPT |
| Outlet connection type | MNPT |
| Part Number | msk-2404-000940tqf |
| Size | 0.5 inches |
| Thread Size | 1/2 |
| Thread Type | NPT |
| Unit Count | 1.0 count |
| Valve Type | Float Valve |

## Product Details

- **Material:** Brass
- **Brand:** BesNPT
- **Item dimensions L x W x H:** 25 x 13 x 25 millimetres
- **Exterior finish:** Brass
- **Inlet connection type:** National Pipe Tapered
- **Outlet connection type:** MNPT
- **Number of ports:** 2
- **Outlet connection size:** 0.5 Inches
- **Manufacturer:** BesNPT

## Images

![Brass 1/2" NPT Male Air Vent Valve Automatic Float Valve Air Release Air Bleeder Valve - Image 1](https://m.media-amazon.com/images/I/51Dbpi21fUL.jpg)
![Brass 1/2" NPT Male Air Vent Valve Automatic Float Valve Air Release Air Bleeder Valve - Image 2](https://m.media-amazon.com/images/I/61oAqSg7liL.jpg)
![Brass 1/2" NPT Male Air Vent Valve Automatic Float Valve Air Release Air Bleeder Valve - Image 3](https://m.media-amazon.com/images/I/51P4Z3Tr-ZL.jpg)
![Brass 1/2" NPT Male Air Vent Valve Automatic Float Valve Air Release Air Bleeder Valve - Image 4](https://m.media-amazon.com/images/I/51Y2NAy5IiL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ It works
*by J***T on 9 March 2025*

Good for price

### ⭐ Leaks
*by J***R on 2 February 2026*

Leaks. No way to tighten the valve properly. You need a big pipe wrench to grip the main body. The o ring is useless. The threads are too short to make a good seal. Poorly designed .Usual Chinese junk

### ⭐⭐⭐⭐⭐ Gives air an exit from water lines
*by M***J on 5 June 2024*

It's a basic air vent valve made of brass. Not much to fail or go wrong here... My hydronic radiant-heat system is able to pass gas properly! I give it 5 stars for being well-built.

## Frequently Bought Together

- BesNPT Brass 1/2" NPT Male Air Vent Valve Automatic Float Valve Air Release Air Bleeder Valve
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*Product available on Desertcart Belgium*
*Store origin: BE*
*Last updated: 2026-09-22*