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Worcester Bosch Relay ZP-IHK 87485100130

Worcester Bosch

Worcester Bosch Relay ZP-IHK 87485100130

Relay ZP-IHK for Worcester Bosch Greenstore system boilers, used in the boiler's control circuit.

At a glance

  • Part type: relay, ZP-IHK
  • Also known as RELAY-ZP-IHK, 1022788
Manufacturer part no.
87485100130
Showing prices

£46.55

£38.79 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 Relay ZP-IHK is a control relay manufactured by Worcester Bosch for use in Greenstore system boilers. It sits within the appliance's control circuit and switches electrical loads in response to the boiler's operating demands. It is supplied as Worcester Bosch part number 87485100130.

Signs this part needs replacing

  • The boiler does not respond when there is a call for heat.
  • The appliance fires intermittently or drops out part-way through a cycle.
  • The pump, fan or other switched component fails to run on demand.
  • Repeated lockouts that clear temporarily after a power cycle.

Before you order

  • Confirm the boiler model against the fit list above before ordering.
  • Check the existing relay marking reads ZP-IHK and matches part number 87485100130.
  • Inspect the relay base and wiring terminals for heat damage, looseness or corrosion before fitting a replacement.
  • Isolate the electrical supply to the appliance before carrying out any work.

Not sure which part?

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