Checking hours…Mon–Fri 7:30am–5pm · Sat 9am–12pm01302 279234Trade account
Worcester Bosch Clip Capillary Guide 87186913520

Worcester Bosch

Worcester Bosch Clip Capillary Guide 87186913520

Worcester Bosch clip capillary guide, part 87186913520, for Greenstar boilers, holding the capillary tube in position within the assembly.

At a glance

  • Part type: Clips, pins and springs
  • Also known as 1030979
  • This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
Manufacturer part no.
87186913520
GC number
J25-810
Showing prices

£2.60

£2.17 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 clip capillary guide is a small retaining component from the manufacturer's clips, pins and springs range. It holds the capillary tube in its correct position within the boiler assembly, keeping the sensing run steady and clear of surrounding components. The part is used across the Worcester Bosch Greenstar family of gas boilers.

Signs this part needs replacing

  • The capillary tube sits loose or can be moved out of its guide by hand
  • The clip is cracked, deformed or missing from the assembly
  • Chafing or rubbing marks on the capillary tube where it meets the casing
  • Temperature or pressure readings drifting away from expected values
  • Rattling or vibration traced to the capillary run

Before you order

  • Check the GC number on the appliance data badge against the compatibility list before ordering.
  • Quote part number 87186913520 or alternative number 1030979 when checking stock.
  • This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.

Not sure which part?

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