The Baxi 5114331 High Voltage Harness is a genuine replacement wiring harness designed for use in Baxi heat-only boilers. This harness carries high-voltage signals required for ignition and safe burner operation, ensuring reliable communication between key electrical components.

A damaged, burnt, or faulty harness can lead to ignition failures, intermittent operation, electrical faults, or boiler lockouts. Replacing it with this genuine Baxi part restores safe electrical connectivity and dependable boiler performance.

Key Features

• Genuine Baxi high-voltage wiring harness

• Ensures safe, reliable electrical transmission for ignition

• Helps resolve intermittent firing, ignition faults, and error codes

• Durable heat-resistant construction

• Direct-fit replacement for quick and accurate installation

Compatible With

Suitable for selected Baxi heat-only boilers requiring high voltage harness 5114331.

Please confirm the part number with your boiler manual or existing harness to ensure correct compatibility.