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Vaillant Electrode Maintenance Kit 0020143440

Vaillant

Vaillant Electrode Maintenance Kit 0020143440

Vaillant electrode maintenance kit 0020143440 for ecoTEC VU series gas boilers.

At a glance

  • Appliance family: ecoTEC VU
  • Also known as ELECTRODE-MAINTENANCE-KIT, 1385864
Manufacturer part no.
0020143440
Showing prices

£112.82

£94.02 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 0020143440 is an electrode maintenance kit supplied by Vaillant for its ecoTEC VU series gas boilers. It forms part of the boiler's ignition and flame monitoring circuit, and is intended for servicing and maintenance work on the listed appliances. The kit is listed under electrodes within the gas boiler spares range.

Signs this part needs replacing

  • The boiler fails to ignite, or ignition is intermittent
  • The burner locks out shortly after firing
  • Flame detection is unreliable, causing repeated lockout faults
  • Visible damage, cracking or heavy contamination on the electrode
  • Electrode readings fall outside the values given in the manufacturer's service instructions

Before you order

  • Confirm the appliance model and variant against the fitment list above
  • Check the existing electrode and its connections for damage before ordering
  • Refer to the manufacturer's service documentation for the correct replacement procedure
  • Verify the part number 0020143440 matches the component being removed

Not sure which part?

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