Alpha
Alpha Hydraulic Group Compact Block 3.021479
Hydraulic group compact block for Alpha InTEC 30GS and 40GS LPG gas boilers, listed as a diverter valve component.
At a glance
- Also known as HYDRAULIC-ASSY-INTEC-3040GS-HYDRAULIC-ASSY-INTEC-3040GS, 1258377
£372.36
£310.30 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 3.021479 hydraulic group (compact block) is a combined hydraulic assembly used in Alpha InTEC GS LPG gas boilers. It controls the movement of water between the primary heating circuit and the domestic hot water circuit, and is classified as a diverter valve component. It is listed for the InTEC 30GS and 40GS appliance families.
Signs this part needs replacing
- No domestic hot water, or hot water running cold while the heating still works
- Domestic hot water temperature fluctuating between hot and cold
- Boiler failing to switch between central heating and hot water demand
- Water leaking from the hydraulic block or diverter valve area
- Fault codes relating to the diverter valve or domestic hot water circuit
Before you order
- Confirm your boiler model and GC number against the fitment list
- Check the part number on the existing hydraulic group before removal
- Confirm whether your appliance is the LPG variant
- Check whether your boiler is the ErP or non-ErP version where applicable
Compliance
| Alternative numbers | HYDRAULIC-ASSY-INTEC-3040GS-HYDRAULIC-ASSY-INTEC-3040GS, 1258377 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA ALPHA INTEC 30GS | — | — | — | |
| ALPHA ALPHA INTEC 30GS LPG | — | — | — | |
| ALPHA ALPHA INTEC 40GS | — | — | — | |
| ALPHA ALPHA INTEC 40GS LPG | — | — | — | |
| ALPHA ALPHA InTEC 30GS ErP | — | — | — | |
| ALPHA ALPHA InTEC 30GS ErP (LPG) | — | — | — | |
| ALPHA ALPHA InTEC 40GS ErP | — | — | — | |
| ALPHA ALPHA InTEC 40GS ErP (LPG) | — | — | — | |
| ALPHA INTEC 40GS2 | — | — | — | |
| ALPHA InTEC 30GS | 47-532-50 | 47-532-50 | — | — |
Showing 10 of 17 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.
ALPHA appliance manual — INTEC 40GS2
manualmanualALPHA appliance manual — InTEC 30GS (GC 47-532-50), InTEC 30GS (LPG) (GC 47-532-57), InTEC 40GS (GC 47-532-51), InTEC 40GS (LPG) (GC 47-532-58)
manualmanualALPHA appliance manual — InTEC 30GS ErP (GC 47-532-50), InTEC 30GS ErP (LPG) (GC 47-532-57), InTEC 40GS ErP (GC 47-532-51), InTEC 40GS ErP (LPG) (GC 47-532-58)
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