The Baxi 7211855 is a genuine OEM flame detection (ionisation) electrode designed for use in Baxi EcoBlue Advance Combi ErP and EcoBlue Combi boilers. This critical component detects the presence of a stable flame after ignition, ensuring safe combustion and allowing the boiler to operate efficiently.

A faulty flame detection electrode may result in ignition attempts followed by shutdown, intermittent flame loss, fluctuating heating or hot water output, or lockouts displaying flame detection error codes. Replacing it with this genuine Baxi unit restores accurate flame monitoring and safe, reliable operation.

Key Features:

• Genuine Baxi flame detection electrode

• Accurately senses burner flame for safe operation

• Designed for EcoBlue Advance Combi ErP & EcoBlue Combi boilers

• Helps resolve failed ignition, flame loss & lockout issues

• Built to strict Baxi OEM heat-resistance and electrical standards

• Durable, long-life component

• Direct-fit replacement for hassle-free professional installation

Compatibility

The Baxi 7211855 Flame Detection Electrode is compatible with:

• Baxi EcoBlue Advance Combi ErP

• Baxi EcoBlue Combi

• Any boiler listing 7211855 in its official Baxi parts documentation

Typical compatible outputs include:

• 24kW

• 28kW

• 33kW

Installers should always confirm exact compatibility using the specific boiler model’s parts list or service manual.