Description

Biasi BI1351118 Primary Circuit Pressure Switch – Fits Advance & Advance Plus Boilers

The Biasi Boiler Air Pressure Switch BI1351118 is a replacement part designed to monitor and maintain correct water pressure in your central heating system. This Biasi boiler primary circuit pressure switch part is essential for the safe operation of Biasi boilers and helps prevent damage caused by low pressure or water flow interruption.

This switch fits a wide range of Biasi Advance and Advance Plus boilers, including both combi and system models, and is identified by the manufacturer and GC numbers listed below.

Compatible Biasi Boilers & GC Numbers:

• Advance 25C – GC No. 47-583-43

• Advance 25S – GC No. 41-583-33

• Advance 30C – GC No. 47-583-44

• Advance 30S – GC No. 41-583-34

• Advance 35C – GC No. 47-583-45

• Advance Plus 16S ERP – GC No. 41-583-27

• Advance Plus 25C ERP – GC No. 47-583-35

• Advance Plus 25S ERP – GC No. 41-583-28

• Advance Plus 30C ERP – GC No. 47-583-36

• Advance Plus 30S ERP – GC No. 41-583-29

• Advance Plus 35C ERP – GC No. 47-583-37

If you’re looking for a Biasi air pressure switch follow the link provided.

Why Choose This Product?

This brand new Biasi air pressure switch offers a reliable way to restore safe boiler operation and proper airflow monitoring. In addition, it helps prevent ignition faults caused by failed pressure sensing. Each unit is supplied brand new for dependable replacement performance.

Delivery and Return

Order before 1 PM for same-day dispatch with standard and next-day delivery options available. Returns are accepted within 30 days if the item remains unused and in original packaging. Always use a Gas Safe registered engineer for installation.

Frequently Asked Questions

1. What does the air pressure switch do?
The air pressure switch checks that the boiler fan and flue system are operating correctly before ignition. This helps maintain safe boiler operation and prevents unsafe combustion conditions.

2. What happens if the air pressure switch fails?
A faulty switch may stop the boiler from firing or cause lockout faults. As a result, heating and hot water performance can become unreliable.

3. Is this part brand new?
Yes, this Biasi BI1351118 air pressure switch is supplied brand new.

4. Which boilers is this compatible with?
This part fits selected Biasi Activ A, Advance, Advance Plus ERP, Riva, and Garda HE boilers. Always check your existing part number and appliance model before ordering.

5. Who should install this part?
A Gas Safe registered engineer should install the component to ensure safe and correct boiler operation.