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Vaillant Wiring Harness With Coding Resistor 0020210200

Vaillant

Vaillant Wiring Harness With Coding Resistor 0020210200

Vaillant 0020210200 wiring harness with coding resistor for ecoTEC PLUS and VU/VUW gas boilers.

At a glance

  • Also known as 1388018
Manufacturer part no.
0020210200
Showing prices

£60.73

£50.61 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 0020210200 is a wiring harness with coding resistor for Vaillant gas boilers. It forms part of the boiler's electrical wiring, connecting control and safety components within the appliance. This part is listed for use across selected Vaillant ecoTEC PLUS and VU/VUW models.

Signs this part needs replacing

  • Visible damage, chafing or exposed conductors on the wiring harness
  • Brittle, cracked or heat-damaged insulation
  • Loose, corroded or poorly seated connectors
  • Intermittent boiler operation or failure to fire
  • Boiler control or communication faults linked to the harness

Before you order

  • Confirm your appliance model is listed in the Fits section
  • Check the existing harness part number is 0020210200
  • Inspect the connector layout and coding resistor before ordering
  • Verify the boiler model and variant match the fitment list

Not sure which part?

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