Baxi
Baxi Hydraulic Block Assembly 7664035
Baxi hydraulic block assembly, 10 litre, part number 7664035, for 224 ErP and 424 ErP Combi boilers.
At a glance
- Also known as 1132245
£245.80
£204.83 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 7664035 is a 10 litre hydraulic block assembly used in Baxi ErP Combi boilers. It forms the main water-carrying manifold within the appliance, housing the hydraulic components that manage flow between the heating circuit and domestic hot water. It is supplied as a complete block assembly for the 24 kW combi models listed below.
Signs this part needs replacing
- Water weeping or visible staining around the hydraulic block body or its connections
- Loss of system pressure that cannot be traced to any other component
- Reduced domestic hot water flow or inconsistent temperature at the taps
- Scale or debris build-up inside the block restricting flow through the waterways
- Cracking, distortion or damaged connection points on the block itself
Before you order
- Confirm your appliance model is a Baxi 224 ErP Combi or 424 ErP Combi
- Check the GC number on the boiler data badge against your model
- Verify the part number 7664035 on the existing block before removal
- Confirm the boiler is a 24 kW ErP Combi variant
Compliance
| Alternative numbers | 1132245 |
|---|
| 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 | — | — |
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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