Hamworthy
Hamworthy Siemens LMU64 Main PCB Control Box 533901518
Main PCB control box for Hamworthy boilers, fitted with a Siemens LMU64 board configured for the PV85HE NG G model.
At a glance
- Also known as 2064340
£426.97
£355.81 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 533901518 is a main PCB control box built around the Siemens LMU64 board, configured for the PV85HE NG G boiler. It governs ignition, gas valve sequencing, fan control and safety monitoring on the appliance. PCBs are model-specific, so the exact boiler model must be identified before ordering.
Signs this part needs replacing
- Boiler fails to fire or locks out repeatedly
- No display or no response at the control panel
- Fault or error codes appearing on the boiler
- Intermittent running or unexpected shutdowns
- Fan or gas valve not driven during a demand
Before you order
- Confirm the exact boiler model — PCBs are model specific
- Check the board is configured for PV85HE NG G
- Confirm the gas type is NG
- Match part number 533901518 against the existing board
Compliance
| Alternative numbers | 2064340 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| HAMWORTHY HAMWORTHY SPARE PARTS | — | — | — | |
| HAMWORTHY PURWELL VARIHEAT PV85HE FLOOR STANDING | — | — | — |
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 technical questions yet for this part.
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