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Hamworthy Siemens LMU64 boiler control PCB 533901512 - configured for PV70c

Hamworthy

Hamworthy Siemens LMU64 boiler control PCB 533901512 - configured for PV70c

Genuine Hamworthy Siemens LMU64 boiler management PCB, pre-configured specifically for the PureWell VariHeat PV70c NG GB.

At a glance

  • Also known as 2064328
  • Have a Gas Safe registered engineer carry out installation
Manufacturer part no.
533901512
Showing prices

£426.97

£355.81 ex. VAT · VAT at 20%

Available to order · 3 working days
Available to order · 3 working days
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.Call the technical teamSend a technical question

Same-day dispatch

Ordered by 4pm Mon–Fri, 10:30am Sat.

30-day returns

Unused, in original packaging.

What it is

Genuine Hamworthy control PCB built on the Siemens LMU64 boiler management platform, pre-configured for one exact Hamworthy appliance. It handles the supervisory and control functions for burner, heating and hot water operation.

Signs this part needs replacing

  • Boiler locks out with a control or ignition fault code
  • No response from the control panel
  • Burner fails to modulate or fires erratically
  • Persistent faults after a reset that point to the control board

Before you order

  • Confirm your exact boiler model and the configuration printed on your existing board - PCBs for this platform are model-specific
  • Isolate the electrical supply before removal
  • Have a Gas Safe registered engineer carry out installation

Not sure which part?

Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.