Alpha
Alpha Hydraulic Assembly 3.020412
Complete hydrobloc hydraulic assembly for Alpha InTEC 34C LPG boilers, part number 3.020412.
At a glance
- Also known as 1258299
£381.41
£317.84 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 Alpha hydraulic assembly, part number 3.020412, is a complete hydrobloc assembly for Alpha InTEC 34C LPG boilers. It forms part of the boiler's hydraulic circuit and controls the diversion of water between central heating and domestic hot water operation. It is listed under the diverter valve category of gas boiler spares.
Signs this part needs replacing
- No hot water when a tap is opened, or heating running when only hot water is demanded
- Domestic hot water temperature fluctuating between hot and cold
- Diverter valve stuck in the heating or hot water position
- Water leaking from the hydraulic assembly or the surrounding pipework
- Boiler fault codes relating to the diverter valve or hydraulic circuit
Before you order
- Confirm the boiler is an Alpha InTEC 34C LPG variant
- Check the GC number on the appliance data badge against 47-532-56
- Verify the part number on the existing component matches 3.020412
- Isolate the gas and water supplies and drain down before fitting
Compliance
| Alternative numbers | 1258299 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA ALPHA INTEC 34C | — | — | — | |
| ALPHA ALPHA INTEC 34C LPG | — | — | — | |
| ALPHA ALPHA InTEC 34C ErP | — | — | — | |
| ALPHA ALPHA InTEC 34C ErP (LPG) | — | — | — | |
| ALPHA InTEC 34C | 47-532-49 | 47-532-49 | — | — |
| ALPHA InTEC 34C (LPG) | 47-532-56 | 47-532-56 | — | — |
| ALPHA InTEC 34C ErP | 47-532-49 | 47-532-49 | — | — |
| ALPHA InTEC 34C ErP (LPG) | 47-532-56 | 47-532-56 | — | — |
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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