What does the Baxi E.04 – .00 fault code mean?

Your boiler has stopped working because it cannot communicate with the internal valve that controls the gas supply.

How much does it cost to fix Baxi error code E.04 – .00?

Typical repair cost for the Baxi E.04 – .00 fault is £180-£350 including labour.

Gas valve error – gas valve not detected.

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

Older boilers — thermocouple, draught, gas supply.

Safety-critical — turn off, read this.

7 signs repair isn't worth it anymore.