Alpha
Alpha Washer 1 Inch (Pack of 50) 3.A1343
A pack of 50 Alpha 1 inch washers for use with compatible Alpha boiler models.
At a glance
- Also known as 1-WASHER-PACK-OF-50, 1258671
Showing prices
£21.82
£18.18 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 a 1 inch washer, supplied in a pack of 50 by Alpha. It is a component used in Alpha boiler assemblies and fittings.
Signs this part needs replacing
- Visible wear, cracking or deformation of the washer
- Leaks from the fitting or connection where the washer is installed
- Hardening or flattening of the washer material
- Discolouration or corrosion
Before you order
- Check your boiler model against the fitment list
- Confirm the washer size required is 1 inch
- Verify the quantity needed (pack contains 50)
Compliance
| Alternative numbers | 1-WASHER-PACK-OF-50, 1258671 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA ALPHA CD20S | — | — | — | |
| ALPHA ALPHA CD28C EXTRA | — | — | — | |
| ALPHA ALPHA INTEC 26C | — | — | — | |
| ALPHA CD28C EXTRA | — | — | — | |
| ALPHA CD28C EXTRA (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.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.