Alpha
Alpha DHW Expansion Vessel Pipe 1.017760
8 mm diameter pipe for the domestic hot water expansion vessel on Alpha CB50 LPG boilers.
At a glance
- Also known as 8-D-DHW-EXPANSION-VESSEL-PIPE-CB50, 1250204
Showing prices
£28.44
£23.70 ex. VAT · VAT at 20%
Available to order · 3 working days
Available to order · 3 working days
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
This is an 8 mm diameter pipe for the domestic hot water (DHW) expansion vessel, manufactured by Alpha. It is fitted to the Alpha CB50 LPG boiler, where it connects the DHW expansion vessel within the appliance's hot water circuit.
Signs this part needs replacing
- Water weeping or dripping from the pipe or its connections
- Visible corrosion, scaling or pitting on the pipe surface
- Pressure loss or fluctuating pressure in the DHW circuit
- Staining or water damage around the expansion vessel
- Noise from the expansion vessel area during hot water draw-off
Before you order
- Confirm the boiler is an Alpha CB50 LPG model
- Check the removed pipe measures 8 mm in diameter and matches the connection points
- Inspect the expansion vessel and adjacent pipework for related faults before refitting
Compliance
| Alternative numbers | 8-D-DHW-EXPANSION-VESSEL-PIPE-CB50, 1017760, 1250204 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA ALPHA CB50 | — | — | — | |
| ALPHA CB50 | 47-532-18 | 47-532-18 | — | — |
| ALPHA CB50 (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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