Hamworthy
Hamworthy Siemens LMU64 Boiler Control F50H NG 533901624
Siemens LMU64 boiler control, part 533901624, for Hamworthy F50H NG appliances.
At a glance
- Also known as 2065122
£436.15
£363.46 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 533901624 is a Siemens LMU64 boiler control unit configured for F50H NG appliances. It governs burner sequencing and safety monitoring on the appliance it is fitted to. It is listed as a Hamworthy spare part for boiler applications.
Signs this part needs replacing
- The boiler fails to fire or locks out repeatedly
- No response from the control when there is a call for heat
- Intermittent faults or unexplained lockouts
- Fault codes appear and clear only temporarily
- The control shows no power or display activity
Before you order
- Confirm the existing control is marked Siemens LMU64 and F50H NG
- Check the boiler model and that the appliance is natural gas (NG)
- Isolate the electrical supply before removing the existing control
- Note any fault codes shown before removal for reference
Compliance
| Alternative numbers | 2065122 |
|---|
| 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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