Andrews
Andrews Temperature/Pressure Relief Valve E426
Temperature and pressure relief valve for Andrews Supaflo EVO water heaters, size 2.5" (DN50).
At a glance
- Also known as 1821986
£2,263.49
£1,886.24 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 E426 is a temperature and pressure relief valve with a 2.5" (DN50) connection. It is designed for Andrews Supaflo EVO water heaters to safely discharge excess pressure or temperature. This valve is a critical safety component in the hot water system.
Signs this part needs replacing
- Water leaking or dripping from the valve outlet
- Valve fails to open when manually tested
- Discharge pipe continuously running
- Visible corrosion or scale build-up on the valve
- System pressure or temperature exceeding normal limits
Before you order
- Check your appliance model against the fit list above
- Confirm the valve connection size is 2.5" (DN50)
- Verify the part number E426 matches your existing valve
- Ensure the system is depressurised and drained before replacement
Compliance
| Alternative numbers | 1821986 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ANDREWS WATER HEATERS ANDREWS HOT WATER SPARES | — | — | — | |
| ANDREWS WATER HEATERS SUPAFLO EVO SF64 | — | — | — | |
| ANDREWS WATER HEATERS SUPAFLO EVO SF65 | — | — | — | |
| ANDREWS WATER HEATERS SUPAFLO EVO SF66 | — | — | — | |
| ANDREWS WATER HEATERS SUPAFLO EVO SF67 | — | — | — |
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.
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