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Vaillant Pipe 0020039790

Vaillant

Vaillant Pipe 0020039790

Vaillant pipe 0020039790 for ecoTEC PLUS and VUI series gas boilers.

At a glance

  • Part type: pipe
  • Also known as 1381464
Manufacturer part no.
0020039790
Showing prices

£20.83

£17.36 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 0020039790 is a pipe supplied as part of the manufacturer's pipe assembly range for gas boilers. It is listed for use across a number of Vaillant ecoTEC PLUS and VUI appliance variants, including the 937, 938 and 940 models. The pipe carries water or gas within the appliance according to its position in the assembly.

Signs this part needs replacing

  • Visible weeping or damp staining at the pipe or its joints
  • Corrosion, pitting or surface scaling on the pipe wall
  • Cracking or deformation around a bend or connection
  • Loss of system pressure that traces back to the pipe run
  • Noise or vibration from a loose or deteriorated pipe section

Before you order

  • Confirm your appliance model and variant from the data plate before ordering.
  • Check the part number on the existing pipe against 0020039790.
  • Verify that the pipe position in your appliance matches this assembly part.

Not sure which part?

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