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Worcester Bosch Pump Junior RSF 8716120415

Worcester Bosch

Worcester Bosch Pump Junior RSF 8716120415

At a glance

  • Part type: Pump
  • Also known as WB8716120415, 1011012, N9169-D
  • This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
Manufacturer part no.
8716120415
GC number
H05-366
Showing prices

£352.14

£293.45 ex. VAT · VAT at 20%

In stock
Order within 15h 22m for same-day dispatch
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.

Same-day dispatch

Ordered by 4pm Mon–Fri, 10:30am Sat.

30-day returns

Unused, in original packaging.

What it is

The Worcester Bosch pump, part number 8716120415, is the circulation pump used across the 24i and 28i Junior RSF boiler range. It moves water through the appliance's heating circuit, maintaining flow through the heat exchanger and around the system. The pump is a serviceable item and is reached from inside the boiler casing during repair or replacement work.

Signs this part needs replacing

  • The boiler runs but radiators stay cold or heat unevenly
  • Overheat or lockout faults appearing during a heating or hot water demand
  • Grinding, humming or rattling noise from the pump body
  • The pump head is hot but the flow pipework stays cool
  • Intermittent circulation, with the appliance cutting out and resetting

Before you order

  • Check the GC number on the appliance data badge against the compatibility list before ordering
  • Confirm the part number on the pump body matches 8716120415, as earlier numbers 8-716-105-656-0, 87161056560 and 8716119826 may be fitted to older appliances
  • Check whether the pump gasket or seal needs replacing at the same time
  • This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.

Not sure which part?

Tell the parts assistant what it's going into — the appliance make and model, or the GC number off the data badge — and it will check this part is on the fit list.

Worcester Bosch Pump Junior RSF 8716120415