Baxi Duo Tec Ignition Electrode Kit 720222801 Replacement Boiler Part

This Baxi Duo Tec ignition electrode kit produces the spark needed to light the burner and support consistent ignition. If the electrode is worn or failing, you may get ignition lockouts, repeated firing attempts, delayed ignition, or heating/hot water cutting out. Replacing with the correct electrode kit is a reliable fix that restores stable ignition and helps reduce nuisance shutdowns.

Compatibility :

• Duo Tec HE: 24, 28, 33, 40
• Duo Tec HE A: 24, 28, 33, 40
• Duo Tec Combi ErP: 24, 28, 33, 40
• Ecogen: 24
• System HE: 15, 18, 24, 28, 32
• Megaflo HE A: 15, 18, 24, 28, 32
• System ErP: 15, 18, 24, 28, 32
• Combi HE: 24, 28, 33
• Platinum Combi HE: 24, 28, 33, 40
• Platinum Combi HE A: 24, 28, 33
• Combi ErP: 24, 28, 33, 40

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 720222801?
A Baxi ignition electrode kit used to create the spark for burner ignition in compatible Baxi boilers.

2. What does an ignition electrode do?
It generates the ignition spark so the boiler can light the burner and start heating reliably.

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

4. Which boilers does 720222801 fit?
It fits selected Baxi ranges such as Duo Tec, Combi, System and Megaflo models match using the compatability list and your boiler’s GC number.

5. What should I check before ordering?
Confirm part number 720222801, your exact boiler model/range, and the GC number.