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Vaillant Pipe 0020039794

Vaillant

Vaillant Pipe 0020039794

Vaillant pipe, part number 0020039794, for ecoTEC PLUS 937, 938 and 940 VUI boilers and the Unistor VIH CL 15 S.

At a glance

  • Also known as 1381472
Manufacturer part no.
0020039794
Showing prices

£25.85

£21.54 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 pipe, part number 0020039794, is a pipe assembly for Vaillant gas boilers. It is listed for the ecoTEC PLUS 937, 938 and 940 VUI models and the Unistor VIH CL 15 S. It is classified as a gas boiler spare.

Signs this part needs replacing

  • Visible water or gas escaping at the pipe or its joints
  • Corrosion, rust staining or pitting on the pipe surface
  • Damp patches or drips beneath the appliance
  • System pressure loss that cannot be traced to another component
  • Discolouration or debris carried through the pipework

Before you order

  • Confirm your appliance model and variant from the data badge
  • Check part number 0020039794 against the manufacturer's parts list for your appliance
  • Note the GC number of your appliance to confirm the correct variant
  • Inspect the connecting joints and seals before fitting

Not sure which part?

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