Baxi
Baxi combustion control unit 24kW 7684478
Genuine Baxi 24kW combustion control unit for the Baxi 200 Combi 224 boiler.
At a glance
- Also known as 1132338, N5353
- Have a Gas Safe registered engineer carry out installation
Showing prices
£459.95
£383.29 ex. VAT · VAT at 20%
Available to order · 3 working days
Available to order · 3 working days
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.Call the technical teamSend a technical question
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
Genuine Baxi 24kW combustion control unit, which manages combustion operation in compatible combi boilers.
Signs this part needs replacing
- Boiler fails to ignite or locks out on a combustion fault
- Erratic burner operation with no other identifiable cause
- Intermittent lockouts that clear after a reset then recur
- Boiler fails to modulate output correctly
Before you order
- Match part number 7684478 printed on your existing unit
- Isolate the electrical and gas supplies before removal
- Have a Gas Safe registered engineer carry out installation
Compliance
| Alternative numbers | 1132338, N5353 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| BAXI 224 ErP COMBI | 47-077-21 | 47-077-21 | — | — |
| BAXI 424 ErP COMBI | 47-077-23 | 47-077-23 | — | — |
Fitment listings are a guide, not a guarantee. Plant-room assemblies get modified on site more often than not. Send us the GC number off the data badge and a photo of the existing valve and we will confirm before anything is dispatched.
Documents & drawings
Everything we hold for this part. Where a document exists but we don't hold it, the technical team will source it from the manufacturer — usually the same working day.
No technical questions yet for this part.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.