Baxi
Baxi Connection Board 7810688
Connection board for Baxi Combi 2, System 2 and LPG Combi 2 boilers, part number 7810688.
At a glance
- Also known as 1794878
£74.22
£61.85 ex. VAT · VAT at 20%
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Baxi 7810688 is a connection board used across the Baxi Combi 2, System 2 and LPG Combi 2 appliance families. It provides the electrical interface between the boiler's wiring harness and the control components, carrying signals and power between the main PCB and the appliance's connections. It is a serviceable electrical component, replaced when the board or its terminals fail.
Signs this part needs replacing
- The boiler fails to fire or does not respond when a demand is applied
- No power or intermittent power reaching the controls or display
- Repeated or unexplained fault codes linked to the appliance's electrical connections
- Visible heat damage, corrosion or arcing at the board or its terminals
- Loose, brittle or discoloured plug connections that will not seat reliably
Before you order
- Confirm your appliance model and GC number against the fitment list above
- Check the part number on the existing board matches 7810688
- Inspect the wiring harness and plug connectors for damage before fitting a new board
- Isolate the electrical supply to the appliance before carrying out any work
Compliance
| Alternative numbers | 1794878 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| BAXI 224 COMBI 2 | 47-077-48 | 47-077-48 | — | — |
| BAXI 224 LPG COMBI 2 | 47-077-50 | 47-077-50 | — | — |
| BAXI 228 COMBI 2 | 47-077-49 | 47-077-49 | — | — |
| BAXI 424 COMBI 2 | 47-077-51 | 47-077-51 | — | — |
| BAXI 424 COMBI 2 LPG | 47-077-53 | 47-077-53 | — | — |
| BAXI 424 ERP COMBI 2.1 | 47-077-74 | 47-077-74 | — | — |
| BAXI 424 LPG COMBI 2 | 47-077-53 | 47-077-53 | — | — |
| BAXI 430 COMBI 2 | 47-077-52 | 47-077-52 | — | — |
| BAXI 430 COMBI 2 LPG | 47-077-54 | 47-077-54 | — | — |
| BAXI 430 ERP COMBI 2.1 | 47-077-75 | 47-077-75 | — | — |
Showing 10 of 54 compatible appliances.
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.
BAXI appliance manual — 224 COMBI 2 (GC 47-077-48), 224 LPG COMBI 2 (GC 47-077-50), 228 COMBI 2 (GC 47-077-49)
manualmanualBAXI appliance manual — 424 COMBI 2 (GC 47-077-51), 424 LPG COMBI 2 (GC 47-077-53), 430 COMBI 2 (GC 47-077-52), 430 LPG COMBI 2 (GC 47-077-54)
manualmanualBAXI appliance manual — AMPTEC S 12KW, AMPTEC S 14KW, AMPTEC S 18KW, AMPTEC S 4KW, AMPTEC S 6KW, AMPTEC S 8KW
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