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Worcester Bosch Flow Pipe CH Out SAIA Without Adaptor 87186421930

Worcester Bosch

Worcester Bosch Flow Pipe CH Out SAIA Without Adaptor 87186421930

Central heating flow pipe supplied without adaptor, for Worcester Bosch Greenstar 24 and 28 FSN-GB combi boilers.

At a glance

  • Also known as 1031515, N4919
Manufacturer part no.
87186421930
GC number
J09-223
Showing prices

£27.60

£23.00 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 flow pipe CH out SAIA without adaptor is a central heating flow pipe assembly for Worcester Bosch Greenstar FSN-GB combi gas boilers. It forms the outlet path carrying heated water from the boiler into the central heating circuit. This version is supplied without the adaptor.

Signs this part needs replacing

  • Visible corrosion, pitting or scaling on the pipe surface
  • Weeping or leaking at the pipe joints or connections
  • Reduced central heating flow or poor circulation through the circuit
  • Discolouration or heavy deposits inside the pipe bore
  • Physical deformation or damage found during servicing

Before you order

  • Confirm your boiler model matches one of the fitments listed above
  • Check whether the existing installation uses the adaptor, as this pipe is supplied without one
  • Compare the part number on the existing component against 87186421930

Not sure which part?

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