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Vaillant Pipe 0020039784

Vaillant

Vaillant Pipe 0020039784

Vaillant pipe 0020039784, a gas boiler pipe assembly used across listed ecoTEC Plus and VUI appliance variants.

At a glance

  • Also known as 1381454
Manufacturer part no.
0020039784
Showing prices

£28.10

£23.42 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

This is a pipe assembly supplied by Vaillant under part number 0020039784. It forms part of the internal pipework on the ecoTEC Plus 937 and related VUI appliance family, routing water or gas within the boiler casing as designed by the manufacturer. It is listed within the gas boiler spares range as a pipe assembly.

Signs this part needs replacing

  • Visible water weeping or damp staining around the pipe or its joints
  • Corrosion, pitting or scaling on the pipe surface
  • A persistent loss of system pressure that traces back to the pipe run
  • Vibration, knocking or noise from a loose or degraded pipe section
  • Distortion or damage to the pipe where it seats against adjacent components

Before you order

  • Confirm the exact appliance model and variant against the fitment list above
  • Check the existing pipe and its connections to ensure this assembly matches the layout in your boiler
  • Verify the manufacturer part number 0020039784 against the marking on the part being removed
  • Isolate the appliance and follow the manufacturer's instructions before any work on internal pipework

Not sure which part?

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