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Viessmann Wiring Harness ION/PE 7818575

Viessmann

Viessmann Wiring Harness ION/PE 7818575

Viessmann ION/PE wiring harness, part number 7818575, listed for Vitodens 200 Wb2 and Wb2A boilers by model and serial number.

At a glance

  • Appliance family: Viessmann Vitodens 200 (Wb2 and Wb2A models)
  • Also known as 2321742
Manufacturer part no.
7818575
Showing prices

£56.71

£47.26 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 Viessmann ION/PE wiring harness, part number 7818575, is an electrical harness assembly for Viessmann Vitodens 200 boilers. It carries the ION/PE wiring connections within the boiler. Fitment is confirmed by model and serial number, as listed below.

Signs this part needs replacing

  • Intermittent or lost flame signal during operation
  • Burner failing to ignite or shutting down unexpectedly
  • Visible damage, cracking or heat discolouration on the harness insulation
  • Loose, corroded or burnt connectors at the ION/PE connection points
  • Fault codes relating to flame detection or ignition

Before you order

  • Confirm the boiler model (Wb2, Wb2A, 6-24, 8-32 and so on) against the fits list.
  • Locate the serial number on the boiler rating plate and match it to the serial number listed for that model.
  • Compare the connector layout and harness routing with the existing harness before fitting.

Not sure which part?

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