Alpha
Alpha 18mm Dia. Pipe Pump To Condensing Heat Exchanger 1.020635
18 mm diameter pipe connecting the pump to the condensing heat exchanger on Alpha HE boilers.
At a glance
- Also known as D18-PIPE-PUMP-COND-HEAT-EXCH, 1250295
£29.56
£24.63 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
An 18 mm diameter pipe manufactured by Alpha, used to connect the pump to the condensing heat exchanger within the appliance. It forms part of the water circuit on Alpha HE boilers, carrying flow between the pump and the heat exchanger. The part is supplied under manufacturer part number 1.020635.
Signs this part needs replacing
- Visible weeping or staining at the pipe unions or along the pipe run
- Scale or corrosion build-up restricting flow between the pump and heat exchanger
- Overheating or kettling linked to poor circulation through the pipe
- Pressure loss that cannot be traced to any other part of the circuit
- Pipe deformation or cracking at the connection points
Before you order
- Confirm the appliance model against the fitment list above
- Check the existing pipe diameter is 18 mm before removal
- Inspect the pump and heat exchanger connections for damage that may also need attention
- Have the appliance isolated and drained before starting work
Compliance
| Alternative numbers | D18-PIPE-PUMP-COND-HEAT-EXCH, 1020635, 1250295 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA HE CB25 | 47-532-25 | 47-532-25 | — | — |
| ALPHA HE CB25 (LPG) | 47-532-27 | 47-532-27 | — | — |
| ALPHA HE CB33 | 47-532-26 | 47-532-26 | — | — |
| ALPHA HE CB33 (LPG) | 47-532-44 | 47-532-44 | — | — |
| ALPHA HE SY25 | 41-532-07 | 41-532-07 | — | — |
| ALPHA HE SY25 (LPG) | 41-532-12 | 41-532-12 | — | — |
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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