Andrews
Andrews Heat Exchanger Thermistor -300 Z029
Heat exchanger thermistor -300 (Z029) for Andrews Fastflo water heaters, used to monitor heat exchanger temperature.
At a glance
- Part type: heat exchanger thermistor, -300
- Appliance family: Andrews Fastflo water heaters
- Also known as 1821860
£33.16
£27.63 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 heat exchanger thermistor -300 (part number Z029) is a temperature sensor fitted to the heat exchanger circuit of Andrews Fastflo water heaters. It reports heat exchanger temperature to the appliance control system so that firing and hot water output can be regulated.
Signs this part needs replacing
- Hot water temperature fluctuates or drifts away from the set point
- Appliance locks out or shows a temperature-related fault
- Short cycling or failure to fire
- Overheat cut-out operating
- Resistance reading outside the manufacturer's specified range when tested
Before you order
- Check your appliance model against the fits list above
- Confirm the part number on the existing thermistor matches Z029
- If your model is not listed, check the manufacturer's parts list before ordering
Compliance
| Alternative numbers | 1821860 |
|---|
| 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 LWHI49 | — | — | — | |
| ANDREWS WATER HEATERS FASTFLO LWHIC56 | — | — | — | |
| ANDREWS WATER HEATERS FASTFLO LWHIX49 | — | — | — | |
| ANDREWS WATER HEATERS FASTFLO PLUS LWHIC56 | — | — | — | |
| ANDREWS WATER HEATERS FASTFLO PLUS WHIC56 | — | — | — | |
| ANDREWS WATER HEATERS FASTFLO WH42 | — | — | — | |
| ANDREWS WATER HEATERS FASTFLO WH56 | — | — | — |
Showing 10 of 13 compatible appliances.
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.
ANDREWS WATER HEATERS appliance manual — FASTFLO LWH42, FASTFLO LWH56, FASTFLO WH42, FASTFLO WH56
manualmanualANDREWS WATER HEATERS appliance manual — FASTFLO LWHI49, FASTFLO LWHIC56, FASTFLO WHI49, FASTFLO WHIC56, FASTFLO WHIX49
manualmanualANDREWS WATER HEATERS appliance manual — FASTFLO LWHIX49
manualmanualANDREWS WATER HEATERS appliance manual — FASTFLO PLUS LWHIC56, FASTFLO PLUS WHIC56
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