7773898 Combustion Control Unit 28KW

• Baxi 7773898 Combustion Control Unit 28KW

A Baxi 28kW Combustion Control Unit is a crucial PCB component that manages the air and gas mixture, ensuring safe, efficient burner operation and reduced emissions.

• It monitors combustion, supports reliable boiler performance, and often requires specific flue gas analysis checks for setup.
• Key Functions and Details:
  Safety & Efficiency: It regulates the gas/air ratio, which is critical for proper combustion.
  Compatibility: Designed for specific 28kW Baxi boiler models

Installation Requirement:

• Following replacement, a, flue gas analysis (CO2, CO levels) must be performed to ensure the gas valve is set correctly.
  System Protection:

Acts as a key component to maintain the overall functionality and safety of the heating system.

If this unit fails, the boiler will likely not fire up, necessitating a replacement by a qualified engineer.

Please note some of the clips are broken on the air/combustion intake

Box has been opened for photos