
Honeywell
Honeywell 7 Day Timer Single Channel ST9100C1006
At a glance
- Part type: Programmers and timers
- Also known as 4201026
£113.21
£94.34 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 Honeywell ST9100C1006 is a single channel 7 day timer from Honeywell Home, used to control one heating zone or a combi boiler. It sits on the appliance backplate and switches the heating on and off according to a seven day programme. It forms part of the Honeywell Residential Products range of heating controls.
Signs this part needs replacing
- The heating does not switch on or off at the times set in the programme.
- The display is blank, dim or shows unreadable segments.
- Buttons do not respond when pressed, or the programme cannot be changed.
- The clock loses time or resets after a power interruption.
- The boiler runs continuously or stays off regardless of the schedule.
Before you order
- Confirm the part number on the existing timer matches ST9100C1006 before ordering.
- Check the appliance model against the compatibility list to confirm the backplate and wiring arrangement.
- Have the appliance serial number and model details to hand when checking fitment.
Mechanical
| Part type | Programmers and timers |
|---|
Compliance
| Manufacturer part number (MPN) | ST9100C1006 |
|---|---|
| Barcode / EAN | 5025121388443 |
| Commodity code | 9107 00 00 00 |
| GPC classification | Heating System Controls |
| Alternative numbers | 4201026 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| HONEYWELL RESIDENTIAL 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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