
Alpha
Alpha O-Ring 1.019643
Alpha O-ring seal measuring 11.90mm x 2.62mm, part number 1.019643, for CD-series LPG boilers.
At a glance
- Also known as 1259126
£3.12
£2.60 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 Alpha 1.019643 is an O-ring seal measuring 11.90mm x 2.62mm. It is fitted at a joint or connection within the appliance to prevent water or gas escaping past the mating surfaces. It is listed for use on Alpha CD-series LPG boilers.
Signs this part needs replacing
- Water or gas weeping from the joint the O-ring seals
- The ring has hardened, flattened or lost its elasticity
- Visible cracks, splits or nicks on the ring surface
- Scale, corrosion or debris sitting on the ring
- The joint continues to leak after being tightened
Before you order
- Confirm your boiler model against the fit list above
- Check the existing O-ring measures 11.90mm x 2.62mm
- Check how many O-rings the joint requires before ordering
Mechanical
| Part type | O-Ring |
|---|---|
| Appliance family | CD70S |
Compliance
| Manufacturer part number (MPN) | 1019643 |
|---|---|
| Alternative numbers | 1019643, 1259126 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA CD115S | — | — | — | |
| ALPHA CD115S (LPG) | — | — | — | |
| ALPHA CD50S | — | — | — | |
| ALPHA CD50S (LPG) | — | — | — | |
| ALPHA CD70S | — | — | — | |
| ALPHA CD70S (LPG) | — | — | — | |
| ALPHA CD90S | — | — | — | |
| ALPHA CD90S (LPG) | — | — | — |
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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