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Worcester Bosch Wiring Harness HT/ADM Interface 87161059990

Worcester Bosch

Worcester Bosch Wiring Harness HT/ADM Interface 87161059990

Wiring harness for the HT/ADM interface on Worcester Bosch gas boilers, part number 87161059990.

At a glance

  • Part type: wiring harness, HT/ADM interface
  • Also known as 1014807
Manufacturer part no.
87161059990
GC number
H02-163
Showing prices

£23.36

£19.47 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 87161059990 is a wiring harness for the HT/ADM interface on Worcester Bosch gas boilers. It provides the electrical connection between the HT/ADM interface and the appliance control system. It is supplied as a service part for repair and maintenance work.

Signs this part needs replacing

  • Intermittent or lost communication between the boiler and the connected controls
  • Fault codes relating to the HT/ADM interface
  • Visible damage to the loom, such as chafed, cracked or heat-damaged insulation
  • Loose, corroded or pushed-back pins in the harness connectors
  • Boiler failing to respond correctly to heating or hot water demand

Before you order

  • Confirm your appliance model against the fit list above
  • Check the existing harness and connector layout against the part number
  • Isolate the electrical supply before removing or fitting the harness

Not sure which part?

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