Checking hours…Mon–Fri 7:30am–5pm · Sat 9am–12pm01302 279234Trade account
Worcester Bosch Contactor DILM 12-10 Relay 10A 87172010490

Worcester Bosch

Worcester Bosch Contactor DILM 12-10 Relay 10A 87172010490

Worcester Bosch contactor relay DILM 12-10 rated 10 A, part number 87172010490, for the Greenstore 11 Combi with SOFT Start.

At a glance

  • Also known as CONTACTOR-DILM-12-10-RELAY-10A, 1022343
Manufacturer part no.
87172010490
Showing prices

£103.81

£86.51 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 Worcester Bosch Contactor DILM 12-10 Relay 10A is a contactor relay used in Worcester Bosch heating appliances. It switches the electrical load for the appliance's motor-driven components, operating as part of the SOFT Start arrangement on the Greenstore 11 Combi. It is supplied under manufacturer part number 87172010490.

Signs this part needs replacing

  • Audible chattering or buzzing from the contactor when the appliance is running
  • Appliance fails to fire or the fan, pump or blower does not start
  • Pitted, burnt or blackened contact faces visible on inspection
  • Signs of arcing, scorching or heat damage around the contactor body or terminals
  • Intermittent operation, with the appliance cutting in and out at random

Before you order

  • Read the part number from the label on the existing contactor and confirm it matches 87172010490
  • Confirm the appliance model and that it is the SOFT Start version listed above
  • Isolate the electrical supply to the appliance before removing or fitting the contactor
  • Check the terminal connections and wiring for damage before fitting the replacement

Not sure which part?

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