---
product_id: 674091967
title: "HTSVaillant Boiler Auto Air Vent (AAV) 104521"
brand: "hts"
price: "1099707₫"
currency: VND
in_stock: true
url: https://www.desertcart.vn/products/674091967-htsvaillant-boiler-auto-air-vent-aav-104521
store_origin: VN
region: Vietnam
---

# Auto Venting Easy Install Durable Build HTSVaillant Boiler Auto Air Vent (AAV) 104521

**Brand:** hts
**Price:** 1099707₫
**Availability:** ✅ In Stock

## Summary

> 🔥 Breathe Easy with Effortless Air Control!

## Quick Answers

- **What is this?** HTSVaillant Boiler Auto Air Vent (AAV) 104521 by hts
- **How much does it cost?** 1099707₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/674091967-htsvaillant-boiler-auto-air-vent-aav-104521)

## Best For

- hts enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Constructed from high-quality materials for long-lasting reliability.
- • **Hassle-Free Setup:** Quick and easy installation for both pros and DIY enthusiasts.
- • **Efficiency Booster:** Enhances heating performance while reducing energy consumption.
- • **Tailored for Excellence:** Designed specifically for Vaillant boilers, ensuring a seamless fit.
- • **Effortless Air Management:** Automatically vents air to prevent airlocks and maintain optimal flow.

## Overview

The HTSVaillant Boiler Auto Air Vent (AAV) 104521 is engineered to automatically remove air from your heating system, ensuring optimal pressure and flow. Specifically designed for Vaillant boilers, it enhances efficiency, reduces energy consumption, and is built from durable materials for long-lasting performance. With easy installation and a 12-month warranty, this product is a must-have for maintaining a reliable heating system.

## Description

HTSVaillant Boiler Auto Air Vent (AAV) 104521

## Features

- Automatic Air Removal: Designed to automatically vent air from the heating system, preventing airlocks and maintaining optimal pressure and flow.
- Compatibility: Specifically designed for Vaillant boilers, ensuring a perfect fit and reliable operation.
- Improved Efficiency: Helps maintain efficient boiler function by ensuring that the system remains air-free, which can improve heating performance and reduce energy consumption.
- Durable Construction: Made from high-quality materials to withstand constant operation, ensuring long-lasting performance.
- Easy to Install: Simple to install by professional technicians or experienced DIY users, ensuring a hassle-free replacement.
- 12-Month Warranty: Comes with a 12-month warranty, providing peace of mind regarding product quality and durability.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | HTS |
| Part Number | 87145000810 |
| Product Dimensions | 10 x 10 x 10 cm; 100 g |
| Item model number | (AAV) 104521 |
| Colour | Multicolour |
| Included Components | Accessories if provided |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 100 g |

## Images

![HTSVaillant Boiler Auto Air Vent (AAV) 104521 - Image 1](https://m.media-amazon.com/images/I/51LWteCzkdL.jpg)
![HTSVaillant Boiler Auto Air Vent (AAV) 104521 - Image 2](https://m.media-amazon.com/images/I/51eO4xf5eGL.jpg)

## Frequently Bought Together

- HTS - Vaillant Boiler Auto Air Vent (AAV) 104521
- Vaillant ECOTEC PRO 24 28 Water Pressure Sensor 253595
- HTS Boiler PRV Compatible with Vaillant ECOTEC Plus VUW 824 831 837 Boiler Pressure Relief Safety Valve 178985

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.vn/products/674091967-htsvaillant-boiler-auto-air-vent-aav-104521](https://www.desertcart.vn/products/674091967-htsvaillant-boiler-auto-air-vent-aav-104521)

---

*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-02-27*