Alpha
Alpha Pipe DHW Expansion Vessel 1.021215
8mm diameter pipe for the DHW expansion vessel on Alpha CD50 (LPG) gas boilers.
At a glance
- Also known as 1258219
Showing prices
£51.00
£42.50 ex. VAT · VAT at 20%
Available to order · 1 working day
Available to order · 1 working day
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
An 8mm diameter pipe assembly for the domestic hot water expansion vessel, manufactured by Alpha. It forms part of the DHW expansion vessel connection on the Alpha CD50 (LPG) boiler. The pipe carries the vessel connection within the DHW circuit.
Signs this part needs replacing
- Visible water weeping or staining around the pipe or its connections
- Corrosion, pitting or surface rust on the pipework
- A joint that will not seal after tightening
- Loss of DHW expansion vessel pressure or repeated pressure loss on the DHW side
- Physical damage, kinking or deformation of the pipe
Before you order
- Confirm your boiler model is the Alpha CD50 (LPG)
- Check the existing pipe diameter and routing against the 8mm specification
- Inspect the vessel connection and surrounding joints for additional faults before ordering
- Verify the part number 1.021215 against the manufacturer's parts list for your appliance
Compliance
| Alternative numbers | 1258219 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA CD50 | 47-532-24 | 47-532-24 | — | — |
| ALPHA CD50 (LPG) | — | — | — |
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.
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