
Honeywell
Honeywell Heating Programmer ST9400S1001
Honeywell ST9400S1001 heating programmer for Honeywell residential controls, wired to Earth, Live, Neutral and terminals 3 and 4.
At a glance
- Part type: Programmers and timers
- Also known as 4201080
£164.02
£136.68 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 Honeywell ST9400S1001 is a heating programmer from Honeywell's residential controls range, catalogued under programmers and timers. It forms part of the control wiring on a domestic heating system, switching the boiler and heating circuits to the set schedule. In the documented installation it was connected at Earth, Live, Neutral and terminals 3 and 4, with terminals 1 and 2 left unwired.
Signs this part needs replacing
No fault symptoms are recorded in the source data for this part.
Before you order
- Confirm the part number on the existing programmer before ordering.
- Note the alternative number 4201080, which identifies the same item.
- Check the wiring at Earth, Live, Neutral and terminals 3 and 4 against the replacement unit before disconnecting anything.
- Where a replacement control is being fitted in place of this programmer, verify the terminal layout of the new unit matches the existing wiring.
Mechanical
| Part type | Programmers and timers |
|---|
Compliance
| Manufacturer part number (MPN) | ST9400S1001 |
|---|---|
| Barcode / EAN | 5025121388405 |
| Commodity code | 9107 00 00 00 |
| GPC classification | Heating System Controls |
| Alternative numbers | 5025121388405, HONEYWELLST9400S1001, HONEYWELLST9400S1001, HONEYWELLST9400S1001, HONEYWELLST9400S1001, 4201080 |
| 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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