Alpha
Alpha 18mm Dia Pipe Pump To Heat Exchanger 1.017790
18mm diameter pipe assembly connecting the pump to the heat exchanger on Alpha CD24 series boilers.
At a glance
- Also known as 1250209
£10.70
£8.92 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 18mm dia. pipe - pump to heat exchanger is a pipe assembly used on Alpha CD24 series gas boilers. It carries water between the pump and the heat exchanger within the appliance, forming part of the primary circuit. This component is listed under boiler pipe assemblies and is identified by part number 1.017790.
Signs this part needs replacing
- Visible weeping or water staining around the pipe unions or along the pipe run
- Corrosion, pitting or scale build-up on the pipe surface or at the connections
- Restricted flow through the pipe, leading to overheating or poor primary circulation
- Noise or vibration from the pump area consistent with a blocked or damaged pipe
Before you order
- Confirm the boiler model against the fit list above
- Check that the existing pipe is 18mm diameter
- Inspect the pump and heat exchanger connections for condition before fitting
- Match the part number 1.017790 against the existing component or boiler documentation
Compliance
| Alternative numbers | 1250209 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA ALPHA CD24C | — | — | — | |
| ALPHA ALPHA CD24S | — | — | — | |
| ALPHA CD24C | 47-532-19 | 47-532-19 | — | — |
| ALPHA CD24C (LPG) | 47-532-29 | 47-532-29 | — | — |
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.