Description
Auto Air Vent for Biasi Activ A, Advance Plus, Garda HE, Inovia & Riva
The Biasi automatic air vent BI1212107 removes trapped air from your central heating system, helping to prevent noise, airlocks, and pressure issues. This component plays a crucial role in keeping your boiler running efficiently and safely. Designed for easy installation and long-term reliability, this auto air vent fits a wide range of Biasi boiler models across several series.
If you’re experiencing gurgling sounds or pressure drops, replacing your faulty air vent with this genuine Biasi part can quickly restore smooth operation.
Compatible Boilers
This Biasi auto air vent fits an extensive list of Biasi boilers. Check the GC numbers to confirm compatibility:
Activ A Series
18S (GC: 41-583-11)
25C (GC: 47-583-21)
25S (GC: 41-583-12)
30C (GC: 47-583-22)
30S (GC: 41-583-13)
35C (GC: 47-583-23)
Advance Plus ERP Series
16S ERP (GC: 41-583-27)
25C ERP (GC: 47-583-35)
25S ERP (GC: 41-583-28)
30C ERP (GC: 47-583-36)
30S ERP (GC: 41-583-29)
35C ERP (GC: 47-583-37)
Garda HE Series
M96.24 SM/B (GC: 47-970-25)
M96.24 SM/D (GC: 47-970-27)
M96.28 SM/B (GC: 47-970-26)
M96.28 SM/D (GC: 47-970-28)
Inovia Series
16S (GC: 41-583-25)
25C (GC: 47-583-32)
25C ERP (GC: 47-583-38)
25S (GC: 41-583-26)
25S ERP (GC: 41-583-30)
30C (GC: 47-583-33)
30C ERP (GC: 47-583-39)
35C (GC: 47-583-34)
35C ERP (GC: 47-583-40)
Riva Series
Advance Iso M110B.24SM/C (GC: 47-583-11)
Compact HE M96.24 SM/C (GC: 47-970-23)
Compact HE M96.28 SM/C (GC: 47-970-24)
Compact HE M96.28 SR/C (GC: 41-970-12)
Compact M96.24 SM/C2 (GC: 47-583-05)
Compact M96.24 SR/C2 (GC: 41-583-08)
Compact M96.28 SM/C2 (GC: 47-583-06)
Compact M96.28 SR/C2 (GC: 41-583-02)
Compact M96.32 SM/C2 (GC: 47-583-07)
If you’re looking for a Biasi Advance Plus 35C ERP Expansion Vessel follow the link provided.
Delivery and Return
Order before 1:00 p.m. (Monday–Friday) for same-day dispatch. Choose from standard delivery (2–3 working days), next-day delivery, or Saturday delivery at checkout. Weekend orders are processed on the next working day.
If you’re not satisfied or no longer need the item, return it within 30 days in its original packaging. For non-faulty items, you cover the return shipping cost.
Thank you for purchasing the Biasi automatic air vent. To ensure safe installation, always use a Gas Safe registered engineer.
Frequently Asked Questions
1. What does an automatic air vent do?
An automatic air vent removes trapped air from the heating system, which helps improve circulation and boiler efficiency. It also helps reduce noise caused by air build-up inside the system.
2. What happens if the air vent fails?
A faulty air vent can allow air to remain trapped in the system, leading to noisy pipes, poor circulation, or uneven heating performance. Replacing the vent helps restore smoother operation.
3. Is this part brand new?
Yes, this Biasi automatic air vent is supplied brand new. As a result, it is ready for direct replacement installation.
4. How do I check compatibility?
Always match the part number BI1212107 with the existing component in your boiler. You should also confirm the appliance model before ordering.
5. Who should install this part?
A qualified heating engineer should install the air vent to ensure safe and correct fitting. Professional installation also helps maintain reliable boiler operation.









Reviews
There are no reviews yet.