
Hamworthy
Hamworthy LMU64 Programmer 533901502
LMU64 programmer for the Hamworthy WM100 NG boiler, part number 533901502.
At a glance
- Also known as 2064354
£426.50
£355.42 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 Hamworthy LMU64 programmer, part number 533901502, is a control unit for the Hamworthy WM100 NG boiler. It governs the burner sequence and the boiler's operating programme. It is supplied as a spare part for servicing and repair.
Signs this part needs replacing
- The boiler fails to start or does not complete its ignition sequence
- Repeated lockouts or fault codes at the control
- No response to a demand for heat or hot water
- Intermittent or erratic burner operation
- No display or power at the programmer
Before you order
- Confirm the appliance model is the WM100 NG
- Check the part number on the existing programmer matches 533901502
- Establish that the fault lies with the programmer rather than another component
- Confirm the installation is on natural gas, as indicated by the NG designation
Compliance
| Alternative numbers | 2064354 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| HAMWORTHY HAMWORTHY SPARE PARTS | — | — | — |
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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