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Vaillant Gasket 0020143444

Vaillant

Vaillant Gasket 0020143444

Vaillant 0020143444 gasket for ecoTEC VU series gas boilers, sealing mating surfaces to prevent leakage at the joint.

At a glance

  • Also known as 1385870
Manufacturer part no.
0020143444
Showing prices

£9.42

£7.85 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 0020143444 is a gasket used on ecoTEC VU series gas boilers. It forms a seal between mating surfaces within the appliance to prevent leakage at the joint. The part is supplied as a single gasket.

Signs this part needs replacing

  • Visible weeping, staining or residue at the sealed joint
  • Gasket material has hardened, flattened or cracked
  • Water or gas traces around the mating surfaces
  • Leaks that return after the joint has been tightened
  • Deformation or compression set found on inspection

Before you order

  • Confirm your boiler model and GC number against the fitment list above
  • Check the part number on the existing component or the manufacturer's parts list
  • Confirm how many gaskets are required for the joint being serviced
  • Isolate the appliance and follow the manufacturer's instructions before dismantling

Not sure which part?

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