
Alpha
Alpha Connection Pipe 18mm Flow and Return 1.031256
18mm diameter connection pipe for the flow and return on Alpha InTEC GS boilers, part number 1.031256.
At a glance
- Also known as 1259694
£46.54
£38.78 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 1.031256 is an 18mm diameter connection pipe for the flow and return on Alpha InTEC GS boilers. It forms part of the boiler's internal pipework, carrying water between the heat exchanger and the heating circuit connections. It is a direct fit component for the models listed below.
Signs this part needs replacing
- Visible corrosion, pitting or scaling on the pipe surface
- Weeping or dripping at the pipe joints or connections
- Water staining or damp patches around the pipe run inside the boiler
- Loss of system pressure that cannot be traced to other components
- Discolouration or deformation of the pipe
Before you order
- Confirm your boiler model and GC number against the fitment list above
- Check the existing pipe diameter is 18mm
- Verify the part number 1.031256 on the component or in the manufacturer's parts list
- Isolate the boiler from the gas and water supplies and depressurise before removal
Compliance
| Alternative numbers | 1259694 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| 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 | — | — |
| ALPHA InTEC 30GS (LPG) | 47-532-57 | 47-532-57 | — | — |
| ALPHA InTEC 30GS ErP | 47-532-50 | 47-532-50 | — | — |
| ALPHA InTEC 30GS ErP (LPG) | 47-532-57 | 47-532-57 | — | — |
| ALPHA InTEC 40GS | 47-532-51 | 47-532-51 | — | — |
Showing 10 of 13 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)
manualNo technical questions yet for this part.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.
