Alpha
Alpha 18mm Pipe Heat Exchanger to 3-Way Valve 1.023520
18mm diameter Alpha pipe connecting the heat exchanger to the 3-way valve, part number 1.023520.
At a glance
- Also known as PIPE-WATER-GAS-MODULE-CD35C, 1258097
£51.74
£43.12 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
This is an 18mm diameter pipe that runs between the heat exchanger and the 3-way valve on Alpha gas boilers. It forms part of the water and gas module assembly and carries water through that section of the boiler circuit. It is supplied under Alpha part number 1.023520.
Signs this part needs replacing
- Visible water weeping or staining at the pipe unions
- Corrosion or pitting on the pipe surface
- Scale or debris build-up restricting flow through the pipe
- Discolouration or heat damage around the pipe
- Loss of system pressure traced to this section
Before you order
- Confirm your boiler model against the fitment list above
- Check the GC number on the appliance data badge matches your model
- Verify the pipe diameter and its position in the boiler before ordering
- Check whether any seals, washers or clips are required for refitting
Compliance
| Alternative numbers | PIPE-WATER-GAS-MODULE-CD35C, 1023520, 1258097 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA CD28S | 41-532-20 | 41-532-20 | — | — |
| ALPHA CD28S (LPG) | 41-532-21 | 41-532-21 | — | — |
| ALPHA CD35C | 47-532-35 | 47-532-35 | — | — |
| ALPHA CD35C (LPG) | 47-532-36 | 47-532-36 | — | — |
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.
No 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.