Alpha
Alpha Pipe Heat Exchanger to Pump 1.023485
18mm pipe connecting the heat exchanger to the pump in Alpha CD series gas boilers.
At a glance
- Also known as PIPE-PUMP-WATER-GAS-MODULE-CD28C, 1257915
£28.12
£23.43 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 1.023485 is an 18mm diameter pipe that connects the heat exchanger to the pump in the boiler's primary water circuit. It is a manufacturer part for Alpha gas boilers in the CD range. The pipe carries water between the heat exchanger and the pump as part of normal circulation.
Signs this part needs replacing
- Water weeping or dripping from the pipe or its joints
- Visible corrosion, pitting or staining on the pipe surface
- Scale or debris restricting flow between the heat exchanger and pump
- Overheating or kettling linked to poor circulation
- Repeated pressure loss in the primary circuit
Before you order
- Confirm your boiler model and GC number against the fitment list
- Check the pipe diameter and routing match the failed part
- Inspect the connecting joints and seals for damage before refitting
Compliance
| Alternative numbers | PIPE-PUMP-WATER-GAS-MODULE-CD28C, 1257915 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA ALPHA CD20S | — | — | — | |
| ALPHA ALPHA CD28C EXTRA | — | — | — | |
| ALPHA CD28C | 47-532-33 | 47-532-33 | — | — |
| ALPHA CD28C (LPG) | 47-532-34 | 47-532-34 | — | — |
| ALPHA CD28C EXTRA | — | — | — | |
| ALPHA CD28C EXTRA (LPG) | — | — | — |
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.
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