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Worcester Bosch Printed Circuit Board Greenstar Heatslave 87186852610

Worcester Bosch

Worcester Bosch Printed Circuit Board Greenstar Heatslave 87186852610

Worcester Bosch 87186852610 printed circuit board for Greenstar Heatslave boilers, controlling the appliance's operating sequence.

At a glance

  • Part type: Printed circuit board (PCB)
  • Appliance family: Greenstar Heatslave
  • Also known as 1022729
Manufacturer part no.
87186852610
Showing prices

£300.64

£250.53 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

The Worcester Bosch 87186852610 is a printed circuit board (PCB) supplied for the Greenstar Heatslave family of boilers. It is the main control board, handling the appliance's operating sequence, burner demand and the safety interlocks that sit behind normal running. The board is a direct replacement item for the original fitted unit and carries the Worcester brand.

Signs this part needs replacing

  • The boiler fails to fire, or locks out repeatedly after resetting.
  • No heating or hot water even though the programmer and thermostat are calling for demand.
  • A blank, dead or unresponsive display, or no indicator LEDs on the board.
  • The burner lights briefly and then shuts down before the appliance reaches temperature.
  • The board fuse blows again shortly after being replaced.

Before you order

  • Check the model and serial number on the appliance data badge against the compatibility list before ordering.
  • Compare the part number printed on the existing board with 87186852610; older boards may carry the number ZAGAS278.
  • Cross-reference the alternative codes 1022729 and WB87186852610 if you are working from an older parts listing.
  • Replacement involves opening the boiler casing and working on the appliance electrics, so the work should be carried out by a competent person.

Not sure which part?

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