Baxi
Baxi Return Hydroblock Assembly 7812533
Return hydroblock assembly for Baxi Combi 2 and Assure Combi 2 boilers, part number 7812533.
At a glance
- Also known as 1794952
£97.34
£81.12 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 7812533 is a return hydroblock assembly used on Baxi Combi 2 and Assure Combi 2 appliances. It forms the return water connection on the hydraulic block, carrying system water back through the boiler's hydraulic circuit. It is supplied as a complete assembly.
Signs this part needs replacing
- Water weeping or visible leaks around the return connection on the hydroblock
- Falling system pressure that needs frequent topping up
- Scale or debris build-up restricting flow through the return side
- Overheating or boiler lockout linked to poor circulation through the block
- Noise from the hydraulic block during operation
Before you order
- Confirm the appliance model and GC number against the fit list above
- Check whether the boiler has a front facing analogue pressure gauge or an internal FIT pressure gauge, as both variants are listed
- Compare part number 7812533 with the marking on the component being removed
- Inspect the surrounding hydraulic components for damage before reassembly
Compliance
| Alternative numbers | 1794952 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| 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 | — | — |
| BAXI 430 LPG COMBI 2 | 47-077-54 | 47-077-54 | — | — |
| BAXI 630 COMBI 2 - FRONT FACING ANALOGUE PRESSURE GAUGE | 47-077-56 | 47-077-56 | — | — |
| BAXI 630 COMBI 2 - INTERNAL FIT PRESSURE GAUGE | 47-077-56 | 47-077-56 | — | — |
| BAXI 830 COMBI 2 | 47-077-64 | 47-077-64 | — | — |
| BAXI 830 COMBI 2 - FRONT FACING ANALOGUE PRESSURE GAUGE | 47-077-64 | 47-077-64 | — | — |
| BAXI ASSURE 530 COMBI 2 - FRONT FACING ANALOGUE PRESSURE GAUGE | 47-077-60 | 47-077-60 | — | — |
| BAXI ASSURE 530 COMBI 2 - INTERNAL FIT PRESSURE GAUGE | 47-077-60 | 47-077-60 | — | — |
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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