Checking hours…Mon–Fri 7:30am–5pm · Sat 9am–12pm01302 279234Trade account
Hanicks
Basket
Vaillant Washer 0020144366

Vaillant

Vaillant Washer 0020144366

Vaillant washer, part number 0020144366, supplied as a pack for use on ecoTEC VU boiler models.

At a glance

  • Also known as 1386012
Manufacturer part no.
0020144366
Showing prices

£24.62

£20.52 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

A Vaillant washer, manufacturer part number 0020144366, supplied as a pack. It is a sealing component used on Vaillant ecoTEC VU boiler appliances, where it seals a joint against water loss. The washer is a serviceable item and is replaced when the joint it seals begins to weep or the washer itself degrades.

Signs this part needs replacing

  • Weeping or dripping at the joint the washer seals
  • Visible flattening, cracking or hardening of the washer
  • Corrosion or scale build-up on the washer surface
  • Water staining or damp patches around the sealed connection
  • Leaks returning shortly after a service or component change

Before you order

  • Confirm your boiler model against the fit list above before ordering
  • Check the part number 0020144366 against the component being replaced
  • Confirm how many washers the job requires, as the part is supplied as a pack

Not sure which part?

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