Alpha
Alpha 18mm Flow to Primary Heat Exchanger Pipe 1.018038
18mm pipe assembly carrying flow to the primary heat exchanger in Alpha CD18S and CD24S LPG boilers.
At a glance
- Also known as 1250223
Showing prices
£23.09
£19.24 ex. VAT · VAT at 20%
Available to order · 3 working days
Available to order · 3 working days
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.Call the technical teamSend a technical question
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Alpha 1.018038 is an 18mm diameter pipe that carries flow to the primary heat exchanger. It is supplied as a pipe assembly for Alpha gas boilers in the CD range. The part number is 1.018038.
Signs this part needs replacing
- Visible water leaks or weeping at the pipe connections
- Corrosion, pitting or scale build-up on the pipe surface
- Restricted flow through the pipe, causing the boiler to overheat or lock out
- Kettling or unusual noise from the heat exchanger
- Physical damage or deformation to the pipe
Before you order
- Confirm your boiler model and GC number against the fitment list
- Check the pipe diameter and connection points match the failed part
- Verify the boiler is the LPG variant, as listed
Compliance
| Alternative numbers | 1250223 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA ALPHA CD24S | — | — | — | |
| ALPHA CD18S | 41-532-06 | 41-532-06 | — | — |
| ALPHA CD18S (LPG) | 41-532-13 | 41-532-13 | — | — |
| ALPHA CD24S | 41-532-02 | 41-532-02 | — | — |
| ALPHA CD24S (LPG) | 41-532-15 | 41-532-15 | — | — |
Fitment listings are a guide, not a guarantee. Plant-room assemblies get modified on site more often than not. Send us the GC number off the data badge and a photo of the existing valve and we will confirm before anything is dispatched.
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.