Biasi BI1212107 Replacement Automatic Air Vent

The Biasi BI1212107 Automatic Air Vent removes trapped air from the central heating system, helping prevent airlocks, pressure fluctuations and unwanted boiler noise.

This component plays an important role in maintaining efficient and safe boiler operation. If the system is experiencing gurgling sounds or frequent pressure drops, replacing a faulty air vent can help restore smooth circulation and reliable performance.

Compatible Boilers

Biasi Activ A Series

Biasi Advance Plus ErP Series

Biasi Garda HE Series

Biasi Inovia Series

Biasi Riva Series

For the Biasi Advance Plus 35C ErP Expansion Vessel, please follow the relevant product link.

Delivery and Returns

Orders placed before 3:00 PM, Monday to Friday, are usually dispatched on the same day.

Standard delivery normally takes 2–3 working days. Next-day and Saturday delivery options are also available at checkout. Orders placed over the weekend are processed on the next working day.

Returns are accepted within 30 days, provided the item remains unused and in its original packaging. Return postage for non-faulty items is the buyer’s responsibility.

Always use a Gas Safe registered engineer for safe and correct installation.