
Andrews
Andrews Water Inlet Thermistor -300 Z027
Water inlet thermistor, part Z027, for Andrews water heaters.
At a glance
- Also known as 1821856
£41.11
£34.26 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 water inlet thermistor -300 is a temperature sensing component used on Andrews water heaters. It monitors the incoming water temperature at the inlet and feeds that reading back to the appliance's control system. Part number Z027.
Signs this part needs replacing
- Hot water temperature at the outlet is erratic or does not match the set point
- The appliance displays a fault or error code linked to the inlet temperature sensor
- Inlet temperature readings are implausible or frozen on the control display
- Resistance measured across the thermistor does not track temperature as expected
- Intermittent shutdown or lockout during a draw-off
Before you order
- Confirm your appliance model against the manufacturer's parts list
- Check the part number and any markings on the thermistor currently fitted
- Check the connector type and mounting arrangement on the existing sensor
- Isolate the electrical supply and shut off the water before fitting
Compliance
| Alternative numbers | 1821856 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ANDREWS WATER HEATERS ANDREWS HOT WATER SPARES | — | — | — |
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 documents held for this part. The technical team will source them from the manufacturer — usually the same working day.
No technical questions yet for this part.
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