Vaillant
Vaillant Pipe 0020039799
Vaillant pipe assembly, part 0020039799, for ecoTEC PLUS and VUI series gas boilers.
At a glance
- Also known as 1381482
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
This is a Vaillant pipe assembly, part number 0020039799, used in the ecoTEC PLUS and VUI series of gas boilers. It forms part of the boiler's internal pipework.
Signs this part needs replacing
- Visible corrosion, pitting or rust on the pipe surface
- Weeping or dripping at joints or connections
- Cracks, splits or deformation in the pipe wall
- Scale or debris build-up restricting flow
- Unexplained pressure loss in the heating or hot water circuit
Before you order
- Confirm your boiler's model and GC number against the fitment list above.
- Check that the part number 0020039799 matches the one on your existing pipe or the manufacturer's parts list.
- Check the manufacturer's parts list for your exact appliance variant to confirm fitment.
Mechanical
| Part type | HOSES & PIPES |
|---|
Compliance
| Manufacturer part number (MPN) | 0020039799 |
|---|---|
| Barcode / EAN | 4024074522080 |
| Alternative numbers | 1381482 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VAILLANT ECOTEC PLUS 937 VUI 376/3-5 | — | — | — | |
| VAILLANT VAILLANT ECOTEC PLUS 937 VUI 376/5-5 | — | — | — | |
| VAILLANT VAILLANT ECOTEC PLUS 937 VUI 376/5-5 R1 | — | — | — | |
| VAILLANT VAILLANT ECOTEC PLUS 937 VUI 376/5-5 R2 | — | — | — | |
| VAILLANT VUI 286/5-5 R6 | 47-044-61 | 47-044-61 | — | — |
| VAILLANT VUI 376/3-5 | 47-044-39 | 47-044-39 | — | — |
| VAILLANT VUI 376/5-5 | 47-044-43 | 47-044-43 | — | — |
| VAILLANT VUI 376/5-5 R4 | 47-044-43 | 47-044-43 | — | — |
| VAILLANT VUI 386/5-5 A R4 | — | — | — | |
| VAILLANT ecoTEC 937 VUI 376/3-5 (2006-2012) | 47-044-39 | 47-044-39 | — | — |
Showing 10 of 19 compatible appliances.
Fitment listings are a guide, not a guarantee. Plant-room assemblies get modified on site more often than not. Send us the GC number off the data badge and a photo of the existing valve and we will confirm before anything is dispatched.
Documents & drawings
Everything we hold for this part. Where a document exists but we don't hold it, the technical team will source it from the manufacturer — usually the same working day.
No technical questions yet for this part.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.