
Andrews
Andrews O-Ring JASO 2026 Type Z401
O-ring of JASO 2026 type for Andrews water heaters, including Fastflo LWH42, LWH56, WH42 and WH56 models.
At a glance
- Part type: O-ring, JASO 2026 type
- Also known as 1824290
£13.00
£10.83 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 Andrews Z401 is an O-ring of JASO 2026 type, supplied for Andrews water heaters. It seals a joint within the appliance to stop water escaping. It is a service part for the Fastflo and related Andrews hot water ranges.
Signs this part needs replacing
- Water weeping or dripping from the joint the O-ring seals
- Visible flattening, hardening or cracking of the ring
- The ring has lost its round profile or shows a permanent set
- Scale or corrosion around the sealing face
- Leaks that return shortly after the joint is tightened
Before you order
- Confirm your appliance model against the fit list above.
- Check the existing O-ring is identified as JASO 2026 type.
- Inspect the sealing face for damage before fitting a new ring.
Compliance
| Alternative numbers | 1824290 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ANDREWS WATER HEATERS ANDREWS HOT WATER SPARES | — | — | — | |
| ANDREWS WATER HEATERS FASTFLO LWH42 | — | — | — | |
| ANDREWS WATER HEATERS FASTFLO LWH56 | — | — | — | |
| ANDREWS WATER HEATERS FASTFLO WH42 | — | — | — | |
| ANDREWS WATER HEATERS FASTFLO WH56 | — | — | — |
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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