Alpha
Alpha Extension 3/4 Inch Assembly 3.017107
Alpha 3/4 inch extension assembly, part number 3.017107, for Alpha CD series boilers.
At a glance
- Appliance family: Alpha CD series
- Also known as EXTENSION-ASSY-34-252835C, 1260354
Showing prices
£32.44
£27.03 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
Alpha 3/4 inch extension assembly, part number 3.017107. It is a component used in Alpha CD series boilers. This assembly is a 3/4 inch extension component for Alpha CD series boilers.
Signs this part needs replacing
- Visible corrosion, rust, or scale on the assembly.
- Leaks or weeping at joints or connections.
- Physical damage such as cracks, deformation, or stripped threads.
- Loose or insecure fit when installed.
- Difficulty achieving a seal or correct alignment.
Before you order
- Confirm your boiler model and GC number against the Fits list.
- Check the part number 3.017107 matches the existing component.
- Verify the connection size is 3/4 inch.
- Inspect any associated seals or washers for wear, as these may need replacing separately.
Compliance
| Alternative numbers | EXTENSION-ASSY-34-252835C, 1260354 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA ALPHA CD12S | — | — | — | |
| ALPHA CD12S | 41-532-16 | 41-532-16 | — | — |
| ALPHA CD12S (LPG) | 41-532-17 | 41-532-17 | — | — |
| ALPHA CD20S | 41-532-18 | 41-532-18 | — | — |
| ALPHA CD20S (LPG) | 41-532-19 | 41-532-19 | — | — |
| ALPHA CD25C | 47-532-31 | 47-532-31 | — | — |
| ALPHA CD25C (LPG) | 47-532-32 | 47-532-32 | — | — |
| ALPHA CD25X | 47-532-39 | 47-532-39 | — | — |
| ALPHA CD25X (LPG) | 47-532-40 | 47-532-40 | — | — |
| ALPHA CD28C | 47-532-33 | 47-532-33 | — | — |
Showing 10 of 19 compatible appliances.
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.
manual
ALPHA appliance manual — CD12S (GC 41-532-16), CD12S (LPG) (GC 41-532-17), CD20S (GC 41-532-18), CD20S (LPG) (GC 41-532-19), CD28S (GC 41-532-20), CD28S (LPG) (GC 41-532-21)
manualmanualALPHA appliance manual — CD25C (GC 47-532-31), CD25C (LPG) (GC 47-532-32), CD28C (GC 47-532-33), CD28C (LPG) (GC 47-532-34), CD28C EXTRA, CD28C EXTRA (LPG), CD35C (GC 47-532-35), CD35C (LPG) (GC 47-532-36)
manualmanualALPHA appliance manual — CD25X (GC 47-532-39), CD25X (LPG) (GC 47-532-40), CD28X (GC 47-532-37), CD28X (LPG) (GC 47-532-38)
manualNo technical questions yet for this part.
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