---
product_id: 548208472
title: "1/2 Inch Narrow Brass White Automatic Quick Release Fan Valve 12111 with Mounting Valve"
brand: "variosan"
price: "NT$902"
currency: TWD
in_stock: true
reviews_count: 5
category: "Variosan"
url: https://www.desertcart.tw/products/548208472-1-2-inch-narrow-brass-white-automatic-quick-release-fan
store_origin: TW
region: Taiwan
---

# Automatic air venting for system efficiency Max temp 110°C for high-heat resilience 1/2 inch threaded brass build 1/2 Inch Narrow Brass White Automatic Quick Release Fan Valve 12111 with Mounting Valve

**Brand:** variosan
**Price:** NT$902
**Availability:** ✅ In Stock

## Summary

> 💡 Elevate your heating game with effortless air venting!

## Quick Answers

- **What is this?** 1/2 Inch Narrow Brass White Automatic Quick Release Fan Valve 12111 with Mounting Valve by variosan
- **How much does it cost?** NT$902 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/548208472-1-2-inch-narrow-brass-white-automatic-quick-release-fan)

## Best For

- variosan enthusiasts

## Why This Product

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

## Key Features

- • **Compact & Efficient:** Slim brass design minimizes heat loss and fits tight spaces effortlessly.
- • **Seamless Air Removal:** Automatically vents trapped air to boost heating efficiency and system longevity.
- • **Maintenance Made Easy:** Includes mounting valve for quick replacement without system shutdown.
- • **Robust Brass Construction:** Durable brass material ensures corrosion resistance and long-term reliability.
- • **Pressure-Ready Performance:** Handles up to 10 bar static pressure, built for demanding water systems.

## Overview

The VARIOSAN Automatic Quick Bleeder 12111 is a 1/2 inch threaded brass valve designed to automatically remove air from water heating systems. Its slim profile reduces heat loss and fits tight installations, while the included mounting valve allows for easy replacement without system downtime. Rated for up to 110°C and 10 bar pressure, this durable brass vent enhances system efficiency and longevity.

## Description

The brass quick vent allows you to automatically remove accumulated air in water systems. This increases both the life and efficiency of the heating system without the need for manual intervention.

Review: Variosan sfiatatore aut.aria da impianto riscaldamento - Fa il suo lavoro è di ottima fattura arrivato in un giorno dall'ordine con spedizione desertcart.
Review: Bon produit - Pas grand chose à dire, tres compact et fait son travail sans soucis

## Features

- Brass quick vent allows automatic removal of accumulated air in water systems
- Slim design for low heat loss and ideal for tight installation situations. Excess air flows through the vent in the float without tearing the water.
- Includes mounting valve that makes it possible to replace the quick bleeder without stopping the system
- Thread: 1/2 inch (20.95 mm) external thread
- Max. Temperature: +110 °C / max. Static pressure: 10 bar
- Material: brass

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B077K1PSSQ |
| Best Sellers Rank | #74,120 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #48 in Central Heating Systems & Accessories |
| Brand | VARIOSAN |
| Brand Name | VARIOSAN |
| Connector Type | Threaded |
| Customer Reviews | 4.5 out of 5 stars 853 Reviews |
| Exterior Finish | Brass |
| Exterior finish | Brass |
| Inlet Connection Size | 0.5 Millimeters |
| Inlet Connection Type | Threaded |
| Inlet connection size | 0.5 Millimeters |
| Inlet connection type | Threaded |
| Manufacturer | VARIOSAN |
| Manufacturer Part Number | 12111 |
| Material | Brass |
| Material Type | Brass |
| Maximum Operating Pressure | 10 Bars |
| Model Number | 12111 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Number of Pieces | 1 |
| Number of Ports | 1 |
| Outlet Connection Size | 0.5 Millimeters |
| Outlet Connection Type | Thread |
| Outlet connection type | Thread |
| Size | 1/2" |
| Specification Met | DIN 2508, EN 10204 |
| Thread Size | 1/2 pouces |
| Thread Type | Thread |
| Unit Count | 1.0 Count |
| Valve Type | Float Valve |

## Product Details

- **Brand:** VARIOSAN
- **Exterior finish:** Brass
- **Inlet connection size:** 0.5 Millimeters
- **Inlet connection type:** Threaded
- **Material:** Brass

## Images

![1/2 Inch Narrow Brass White Automatic Quick Release Fan Valve 12111 with Mounting Valve - Image 1](https://m.media-amazon.com/images/I/6172J63GmSL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Variosan sfiatatore aut.aria da impianto riscaldamento
*by C***O on 18 May 2026*

Fa il suo lavoro è di ottima fattura arrivato in un giorno dall'ordine con spedizione Amazon.

### ⭐⭐⭐⭐⭐ Bon produit
*by C***O on 8 February 2026*

Pas grand chose à dire, tres compact et fait son travail sans soucis

### ⭐⭐⭐⭐⭐ Zuverlässiger, kompakter Schnellentlüfter für Heizungsanlagen
*by T***T on 26 October 2025*

Ich habe den Schnellentlüfter seit einigen Wochen in meiner Heizungsanlage verbaut und bisher macht er einen sehr guten Eindruck. Der Einbau verlief problemlos und dank des mitgelieferten Montageventils ließ sich die Verbindung schnell und sauber herstellen. Praktisch ist, dass man für spätere Arbeiten nicht die ganze Anlage entleeren muss, was viel Zeit spart. Im laufenden Betrieb zeigt der Schnellentlüfter seine Stärken. Die Luft wird zuverlässig aus der Anlage abgeleitet, wodurch die Heizkörper schneller warm werden und störende Geräusche deutlich reduziert sind. Die Bauform ist kompakt und passt auch in enge Einbausituationen, ohne dass es zu Platzproblemen kommt. Bei den technischen Angaben orientiert sich das Gerät an soliden Werten, was für den normalen häuslichen Einsatz vollkommen ausreicht. Wer sehr spezielle industrielle Anforderungen hat, sollte zwar auf die genauen Daten achten, für den klassischen Heimbereich ist dieser Entlüfter jedoch eine zuverlässige Wahl. Mein Fazit: Ein solides und preislich attraktives Produkt, das die Arbeit in der Heizungsanlage erleichtert und zuverlässig für eine bessere Effizienz sorgt. Ich würde ihn jederzeit wieder kaufen.

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**Shop now:** [https://www.desertcart.tw/products/548208472-1-2-inch-narrow-brass-white-automatic-quick-release-fan](https://www.desertcart.tw/products/548208472-1-2-inch-narrow-brass-white-automatic-quick-release-fan)

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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-10-28*