The Baxi 720222901 is a genuine OEM ionisation (flame sensing) electrode designed for accurate burner flame detection in a range of Baxi, Megaflo, and Solo HE boilers. This electrode monitors the presence of a stable flame after ignition, allowing the boiler to operate safely and efficiently.

A faulty ionisation electrode can cause failed ignition attempts, intermittent shutdowns during operation, fluctuating temperatures, or boiler lockouts with flame detection error codes. Installing this genuine Baxi component restores reliable flame monitoring and safe combustion control.

Key Features:

• Genuine Baxi flame sensing ionisation electrode

• Provides accurate flame detection for safe operation

• Suitable for Duo-tec, Megaflo & Solo HE ranges

• Helps resolve flame loss issues, intermittent firing & lockouts

• Built to Baxi’s strict OEM standards for heat resistance and durability

• Direct-fit replacement for quick, professional installation

Compatibility

The Baxi 720222901 Ionisation Electrode is compatible with:

• Baxi Duo-tec (Combi & System models)

• Baxi Megaflo

• Baxi Solo HE

• Additional boilers across the Baxi Heating Group listing 720222901 in official documentation

Common compatible ranges include:

• Duo-tec Combi & System

• Megaflo System & Combi models

• Solo HE heat-only boilers

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