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Worcester Bosch Printed Circuit Board 5 8738203497

Worcester Bosch

Worcester Bosch Printed Circuit Board 5 8738203497

Printed circuit board 5 for Worcester Bosch WAA OU 6 heat pump appliances.

At a glance

  • Also known as 2248439
Manufacturer part no.
8738203497
Showing prices

£226.24

£188.53 ex. VAT · VAT at 20%

Available to order · 7 working days
Available to order · 7 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

The Worcester Bosch Printed Circuit Board 5 is a control board used in the WAA OU 6 heat pump. It carries the manufacturer part number 8738203497 and is identified as board 5 within the Worcester Bosch range. The board handles the appliance's electronic control and switching functions.

Signs this part needs replacing

  • The heat pump fails to start or shows no response at the control panel
  • Repeated fault codes or lockouts that clear only temporarily
  • Visible burning, scorching or tracking on the board surface
  • Blown fuses or damaged components on the board
  • Erratic operation of fans, pumps or heating cycles

Before you order

  • Confirm the appliance model is the Worcester WAA OU 6 heat pump
  • Check the part number printed on the existing board matches 8738203497
  • Isolate the electrical supply before removing or fitting the board
  • Check the board connectors and wiring for damage that may have caused the failure

Not sure which part?

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