
Alpha
Alpha 18mm Dia. Pipe Heating Flow 1.021880
18mm diameter heating flow pipe for Alpha CD13R and CD18R LPG gas boilers.
At a glance
- Also known as D18-PIPE-MODULE-HEATING-SYSTEM-FLOW, 1250335
£41.17
£34.31 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. heating flow pipe is a pipe assembly component used in Alpha gas boilers. It forms part of the heating circuit pipework within the appliance, carrying water away from the heat exchanger on the flow side. It is supplied by Alpha under part number 1.021880.
Signs this part needs replacing
- Visible corrosion, pitting or scaling on the pipe surface
- Weeping or damp staining at pipe joints or connections
- Discolouration or heat damage around the pipe run
- Reduced or restricted flow through the heating circuit
- Noise or vibration traced to the flow pipework
Before you order
- Confirm your boiler model against the fitment list above
- Check the pipe diameter and whether the flow or return pipe is required
- Inspect the surrounding pipework and joints for related faults before ordering
Compliance
| Alternative numbers | D18-PIPE-MODULE-HEATING-SYSTEM-FLOW, 1021880, 1250335 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA CD13R | 41-532-05 | 41-532-05 | — | — |
| ALPHA CD13R (LPG) | 41-532-11 | 41-532-11 | — | — |
| ALPHA CD18R | 41-532-03 | 41-532-03 | — | — |
| ALPHA CD18R (LPG) | 41-532-09 | 41-532-09 | — | — |
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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