Honeywell
Honeywell Electric Programmer 24 Hour ST699B1002
Honeywell ST699B1002 24 hour electric programmer for domestic heating and hot water controls, with alternative part number 4201000.
At a glance
- Part type: Programmers and timers
- Also known as 4201000
£209.33
£174.44 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 ST699B1002 is a 24 hour electric programmer used on domestic heating and hot water controls. It mounts on the wall or appliance fascia and switches the heating and hot water circuits according to a set daily schedule. It forms part of Honeywell's residential controls range and is supplied as a like-for-like replacement for the same unit.
Signs this part needs replacing
- Heating or hot water fails to switch on at the programmed time, or runs when it should be off.
- The display is blank, dim or unreadable, or the clock loses time after a power interruption.
- Buttons or the programme selector do not respond when pressed.
- The unit stays locked in one mode and will not accept a new schedule.
- The programmer housing shows heat damage, moisture ingress or a loose backplate connection.
Before you order
- Confirm the existing programmer is a 24 hour model and that the part number on the unit matches ST699B1002.
- Check the appliance model against the compatibility list before ordering.
- Note the alternative part number 4201000 when cross-referencing older stock or paperwork.
- Isolate the mains supply before removing the old programmer and record the terminal connections for the replacement.
Mechanical
| Part type | Programmers and timers |
|---|
Compliance
| Manufacturer part number (MPN) | ST699B1002 |
|---|---|
| Barcode / EAN | 5023220300106 |
| Commodity code | 9107 00 00 00 |
| Alternative numbers | 5023220300106, HONEYWELLST699B1002, HONEYWELLST699B1002, 4201000 |
| 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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