Baxi
Baxi Expansion Vessel Pipe 7812524
Baxi expansion vessel pipe, part number 7812524, for 424 and 430 Combi 2 appliances.
At a glance
- Appliance family: 424 and 430 Combi 2
- Also known as 1794940
£23.12
£19.27 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 7812524 is an expansion vessel pipe used on Baxi 424 and 430 Combi 2 appliances. It forms the connection between the expansion vessel and the appliance's heating circuit, allowing the vessel to absorb changes in system water volume as the boiler heats and cools. It is a manufacturer part identified by the Baxi part number 7812524.
Signs this part needs replacing
- Water weeping or staining at the pipe or its connections
- Corrosion or pitting visible on the pipe surface
- System pressure dropping repeatedly with no other obvious cause
- Pressure gauge fluctuating or reading erratically during heating cycles
- Visible cracking, kinking or deformation of the pipe
Before you order
- Confirm your appliance model against the fit list above
- Check the GC number on the appliance data badge matches your model variant
- Inspect the pipe connections and seals for condition before fitting
- Verify the existing part number where it is marked on the component
Compliance
| Alternative numbers | 1794940 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| BAXI 424 COMBI 2 | 47-077-51 | 47-077-51 | — | — |
| BAXI 424 COMBI 2 LPG | 47-077-53 | 47-077-53 | — | — |
| 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 LPG COMBI 2 | 47-077-54 | 47-077-54 | — | — |
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.
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