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$13.86
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HTS - Vaillant Boiler Auto Air Vent (AAV) 104521
★★★★★
$13.86
Quantity
1
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About this item
- 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.
Product description
HTS - Vaillant Boiler Auto Air Vent (AAV) 104521 Ensure smooth and efficient operation of your Vaillant boiler with the HTS Auto Air Vent (AAV), part number 104521. This essential component automatically removes trapped air from your system, preventing airlocks that can disrupt performance and lead to potential system failures.
Product details
Customer reviews
What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
V
Verified buyer
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
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