
Hamworthy
Hamworthy Temperature Sensor 573407085
Temperature sensor and return thermostat for Hamworthy Milborne 501 and 502 wall hung condensing boilers.
At a glance
- Also known as 2064618
£50.76
£42.30 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 Hamworthy 573407085 is a temperature sensor and return thermostat used on Hamworthy Milborne wall hung condensing boilers. It monitors return water temperature and supplies that reading to the boiler's control system. It is listed as a thermistor spare for gas boilers.
Signs this part needs replacing
- Boiler locks out or displays a temperature-related fault code
- Heating or hot water runs at the wrong temperature
- Boiler short-cycles or modulates erratically
- Return temperature readings are inconsistent or implausible
- Boiler fails to fire or cuts out shortly after ignition
Before you order
- Confirm the appliance is a Hamworthy Milborne 501 or 502 wall hung condensing boiler.
- Check the existing sensor's part number against 573407085.
- Verify the sensor's connection and mounting arrangement match the boiler before fitting.
Compliance
| Alternative numbers | 2064618 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| HAMWORTHY HAMWORTHY SPARE PARTS | — | — | — | |
| HAMWORTHY MILBORNE 501 WALL HUNG CONDENSING | — | — | — | |
| HAMWORTHY MILBORNE 502 WALL HUNG CONDENSING | — | — | — |
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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