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Worcester Bosch Return Pipe Distribution 87186408540

Worcester Bosch

Worcester Bosch Return Pipe Distribution 87186408540

Return pipe distribution for Worcester Bosch Greenstar 24 FSN-GB and 28 FSN-GB combi boilers, part number 87186408540.

At a glance

  • Also known as 1031537
Manufacturer part no.
87186408540
GC number
J09-233
Showing prices

£52.86

£44.05 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 return pipe distribution is a Worcester Bosch pipe assembly used in Greenstar FSN-GB combi boilers. It carries returning heating water through the appliance's hydraulic circuit. Supplied under part number 87186408540.

Signs this part needs replacing

  • Weeping or visible leaks at the pipe joints or connections
  • Corrosion, pitting or scale on the pipe surface
  • Falling system pressure with no other identifiable cause
  • Kettling or unusual noise from the return side of the boiler
  • Debris build-up or discolouration restricting flow through the pipe

Before you order

  • Confirm your boiler model against the fit list above before ordering
  • Check the part number on the existing component where it is still legible
  • Check the manufacturer's parts list for any seals or fixings required for the repair
  • Isolate the boiler and drain down the appliance before removal

Not sure which part?

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