Horstmann Controls
Horstmann HRT4-A mains room thermostat
Horstmann HRT4-A 230V mains-powered electronic room thermostat with load compensation control, 5-30°C range.
At a glance
- Also known as 4210160
£29.62
£24.68 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 HRT4-A is a 230V mains-powered electronic room thermostat from Horstmann (Secure) that switches the heating system on and off based on sensed air temperature, using load compensation technology for more accurate control than a traditional mechanical thermostat.
Signs this part needs replacing
- Heating fails to switch off at the set temperature, or won't switch on at all
- Dial or display no longer registers input
- Audible clicking with no heating response
- Case is cracked or the mounting is loose
Before you order
- Check the part number on the back of your existing thermostat matches HRT4-A
- Isolate the mains supply before removing or fitting the thermostat
- Installation and connection must be carried out by a suitably qualified person
Compliance
| Barcode / EAN | 5015914230028 |
|---|---|
| Alternative numbers | 4210160 |
No fitment data held for this part.
Documents & drawings
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No documents held for this part. The technical team will source them from the manufacturer — usually the same working day.
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