
Alpha
Alpha Washer 1/2 Inch 1.023994
A 1/2 inch washer from Alpha, used to seal connections on Solarsmart and Flowsmart appliances.
At a glance
- Also known as 12-WASHER, 1258515
£1.46
£1.22 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 1/2 inch washer, part number 1.023994, is a sealing component used at connections on Alpha solar thermal and wall hung appliances. It sits between mating faces to stop water or heating circuit fluid escaping at the joint. It is supplied under the manufacturer's washers and gaskets listing for the Solarsmart and Flowsmart ranges.
Signs this part needs replacing
- Water or fluid weeping from the joint the washer seals
- Visible flattening, cracking or perishing of the washer
- Scale or corrosion deposits on the sealing faces
- Damp staining or residue around the connection
- Repeated pressure loss traced back to the joint
Before you order
- Check your appliance model against the fitment list above
- Compare the connection size and washer dimensions with the part being removed
- Confirm how many washers the joint requires
- Isolate and depressurise the appliance before dismantling
Compliance
| Alternative numbers | 12-WASHER, 1258515 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA ALPHA SOLARSMART 100 CYLINDER | — | — | — | |
| ALPHA ALPHA SOLARSMART 100 DRAIN BACK UNIT | — | — | — | |
| ALPHA SOLARSMART 100 CYLINDER | — | — | — | |
| ALPHA SOLARSMART 100 DRAIN BACK UNIT | — | — | — | |
| ALPHA WALL HUNG FLOWSMART 50 | — | — | — |
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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