Caleffi HIU
Caleffi HIU Safety Sensor Thermostat F0000972
Safety sensor thermostat for Caleffi HIU products, manufacturer part number F0000972.
At a glance
- Appliance family: Caleffi HIU products
- Also known as 4260120
£56.10
£46.75 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 Caleffi HIU Safety Sensor Thermostat F0000972 is a safety sensing thermostat used within Caleffi HIU (heat interface unit) products. It monitors temperature at its sensing point and acts as a safety control within the unit's operation. It is supplied under the Altecnic part reference F0000972.
Signs this part needs replacing
- The HIU fails to reach or hold its normal operating temperature.
- The unit overheats or shuts down unexpectedly during operation.
- Repeated lockouts or fault indications linked to temperature sensing.
- Erratic or inconsistent hot water temperature at the outlet.
- The thermostat shows signs of physical damage, corrosion or a loose or degraded sensing connection.
Before you order
- Confirm the appliance is a Caleffi HIU product and check the model against the manufacturer's parts list.
- Check the part number on the existing component matches F0000972.
- Inspect the sensing point and wiring connections before removing the old part.
- Verify the fault is traced to the thermostat rather than another control in the unit.
Compliance
| Alternative numbers | 4260120 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| CALEFFI HIU PRODUCTS | — | — | — |
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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