
Andrews
Andrews Magnetic Sensor Z403
Magnetic sensor Z403 for Andrews water heaters, listed for use across the Fastflo and hot water spares range.
At a glance
- Also known as 1824292
£84.86
£70.72 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
Magnetic sensor Z403 is a spare component manufactured for Andrews water heaters. It is listed for use across the Andrews hot water spares range, including Fastflo models. The sensor forms part of the appliance's monitoring circuit.
Signs this part needs replacing
- Appliance fails to fire or deliver hot water
- Intermittent operation or unexpected shutdowns
- Fault codes or lockouts linked to sensor or flow detection
- No change in appliance behaviour when hot water is drawn
Before you order
- Confirm the appliance model against the fit list above
- Check that the part number on the component being replaced matches Z403
- If your model is not listed, consult the manufacturer's parts list before ordering
Compliance
| Alternative numbers | 1824292 |
|---|
| 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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