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Vaillant Wiring Harness 0020144362

Vaillant

Vaillant Wiring Harness 0020144362

Vaillant wiring harness, part number 0020144362, for ecoTEC VU GB 1006/5-5 and 1206/5-5 series gas boilers.

At a glance

  • Also known as 1386008
Manufacturer part no.
0020144362
Showing prices

£73.66

£61.38 ex. VAT · VAT at 20%

Available to order · 3 working days
Available to order · 3 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 Vaillant 0020144362 is a wiring harness supplied for Vaillant ecoTEC VU GB gas boilers. It forms part of the boiler's internal wiring, carrying electrical connections between components within the appliance. It is listed under the wiring category of Vaillant gas boiler spares.

Signs this part needs replacing

  • Boiler fails to fire or cuts out intermittently with no other fault identified
  • Visible damage to the harness, such as chafed, cracked or heat-affected insulation
  • Loose, corroded or discoloured connector terminals on the harness
  • Fault codes or electrical faults traced to the harness circuit during diagnosis
  • Continuity faults or intermittent connections across the harness when tested

Before you order

  • Confirm the boiler model and variant against the fitment list above
  • Check the existing harness part number where it is legible on the component
  • Inspect the connector plugs and pin count on the existing harness before ordering
  • Verify the appliance is isolated from the electrical supply before any work

Not sure which part?

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