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Worcester Bosch Pipe PRV to T-Piece 87186804620

Worcester Bosch

Worcester Bosch Pipe PRV to T-Piece 87186804620

Worcester Bosch pipe connecting the pressure relief valve to the T-piece on Greenstar Highflow appliances.

At a glance

  • Also known as 1022579
Manufacturer part no.
87186804620
GC number
H71-407
Showing prices

£17.86

£14.88 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 pipe PRV to T-piece is a Worcester Bosch pipe section that runs between the pressure relief valve and the T-piece within the appliance. It is supplied by Worcester Bosch for the Greenstar Highflow range and forms part of the pressure relief discharge pipework. The part carries the Worcester Bosch reference 87186804620.

Signs this part needs replacing

  • Visible corrosion, pitting or scaling on the pipe surface
  • Weeping or dripping from the pipe joints or along its length
  • Staining, crusting or mineral deposits around the pressure relief valve connection
  • The pipe has been disturbed, kinked or distorted during servicing
  • Water tracking down the pipework with no other obvious source

Before you order

  • Confirm the appliance model and GC number against the fit list above
  • Check whether the appliance is the standard or ErP version
  • Inspect the existing pipe and adjacent connections to confirm which section is affected
  • Verify that the pressure relief valve and T-piece are serviceable before refitting

Not sure which part?

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