Baxi
Baxi combustion control unit 24/25 HT 7775020
Genuine Baxi combustion control unit for the Main Eco Heat, 224/424 Heat and Ecoblue Heat/Advance Heat range, superseding 7726069.
At a glance
- Also known as N8569-1
- Have a Gas Safe registered engineer carry out installation
Showing prices
£417.60
£348.00 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 combustion control unit, which manages the combustion process (PCB, gas valve and fan) in compatible heat-only 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 7775020 printed on your existing unit, or check whether your unit shows the earlier 7726069
- Isolate the electrical and gas supplies before removal
- Have a Gas Safe registered engineer carry out installation
Compliance
| Alternative numbers | N8569-1 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| BAXI 224 HEAT - SERIAL NUMBER ENDING AC, BC & CC | 41-470-48 | 41-470-48 | — | — |
| BAXI 424 HEAT - SERIAL NUMBER ENDING AC-CC | 41-470-53 | 41-470-53 | — | — |
| BAXI ECOBLUE ADVANCE HEAT 25 | 41-470-10 | 41-470-10 | — | — |
| BAXI ECOBLUE ADVANCE HEAT ErP 25 | 41-470-37 | 41-470-37 | — | — |
| BAXI ECOBLUE HEAT 24 | 41-470-06 | 41-470-06 | — | — |
| BAXI ECOBLUE HEAT ErP 24 | 41-470-33 | 41-470-33 | — | — |
| BAXI MAIN ECO HEAT 24KW | 41-470-17 | 41-470-17 | — | — |
| BAXI MAIN ECO HEAT ErP 24 | 41-470-42 | 41-470-42 | — | — |
| POTTERTON ASSURE HEAT 25KW - SERIAL NUMBER ENDING AC-DC | 41-592-69 | 41-592-69 | — | — |
| POTTERTON TITANIUM HEAT 24KW - SERIAL No. ENDING AC | 41-592-64 | 41-592-64 | — | — |
Showing 10 of 12 compatible appliances.
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.
manual
BAXI appliance manual — 224 HEAT - SERIAL NUMBER ENDING AC, BC & CC (GC 41-470-48)
manualmanualBAXI appliance manual — 424 HEAT - SERIAL NUMBER ENDING AC-CC (GC 41-470-53)
manualmanualBAXI appliance manual — ECOBLUE ADVANCE HEAT 25 (GC 41-470-10)
manualmanualBAXI appliance manual — ECOBLUE ADVANCE HEAT ErP 25 (GC 41-470-37)
manualmanualBAXI appliance manual — ECOBLUE HEAT 24 (GC 41-470-06)
manualmanualBAXI appliance manual — ECOBLUE HEAT ErP 24 (GC 41-470-33)
manualmanualBAXI appliance manual — MAIN ECO HEAT 24KW (GC 41-470-17)
manualmanualBAXI appliance manual — MAIN ECO HEAT ErP 24 (GC 41-470-42)
manualmanualPOTTERTON appliance manual — ASSURE HEAT 25KW - SERIAL NUMBER ENDING AC-DC (GC 41-592-69)
manualmanualPOTTERTON appliance manual — TITANIUM HEAT 24KW - SERIAL No. ENDING AC (GC 41-592-64), TITANIUM HEAT 24KW - SERIAL No. ENDING BC-CC (GC 41-592-64)
manualmanualPOTTERTON appliance manual — ULTRA HEAT 24 (GC 41-592-60)
manualNo technical questions yet for this part.
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Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.