Baxi Boiler Ignition Electrode 7686344 Replacement Boiler Part

This baxi combi ignition electrode creates the spark needed to light the burner and keep ignition reliable. If the electrode is worn or damaged, you may see ignition failure, repeated start attempts, intermittent lockouts, or hot water/heating cutting out. Replacing it with the correct electrode is a reliable fix that restores stable ignition and helps reduce nuisance shutdowns.

Compatibility :

• Combi: 624, 630, 636, 825, 830, 836
• System: 818, 824

Important fitting advice

We recommend that all parts are fitted by a fully qualified Gas Safe registered engineer. If you need help confirming the right part, contact us our team has 10+ years of boiler spares knowledge and friendly chat support to help you quickly.

Delivery

At Boiler Spares Hub, we dispatch orders within 1 working day (Monday-Friday). Orders placed outside working days will be dispatched on the next working day. For delivery options available for this product, please add it to your basket or check our delivery options page.

Returns

We accept 30-day returns. Returns must be in an unopened, sealed box. If we find the item has been used or installation was attempted, we may refuse the return.

Frequently Asked Questions (FAQs)

1. What is Baxi 7686344?
A Baxi ignition electrode used to create the spark for burner ignition in compatible Baxi boilers.

2. What does an ignition electrode do?
It generates the ignition spark to light the gas and help the boiler start reliably.

3. What symptoms show a faulty ignition electrode?
Ignition failure, repeated sparking/failed starts, boiler lockouts, delayed ignition, or hot water/heating cutting out.

4. Which boilers does Baxi 7686344 fit?
It’s compatible with selected Baxi Combi and System models—check the compatability list and match your boiler’s GC number before ordering.

5. Can I fit this part myself?
Ignition components are safety-critical—fitting and checks should be done by a Gas Safe registered engineer.