Vaillant
Vaillant Pipe 0020039791
Vaillant 0020039791 pipe assembly for ecoTEC PLUS and VUI series gas boilers.
At a glance
- Also known as 1381466
£24.02
£20.02 ex. VAT · VAT at 20%
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Vaillant 0020039791 is a pipe assembly used on Vaillant gas boilers. It is listed within the ecoTEC PLUS appliance family and related VUI models, where it forms part of the boiler's internal pipework. It is a manufacturer part carrying the Vaillant part number 0020039791.
Signs this part needs replacing
- Visible corrosion, pitting or surface staining along the pipe
- Weeping or dripping at a joint or union on the pipe run
- Discolouration or tracking marks suggesting a leak has been present
- Moisture or residue around the pipe connections inside the casing
- Water loss or pressure drop traced to the pipework rather than the boiler components
Before you order
- Confirm the appliance model and variant against the fitment list above
- Check the part number stamped or printed on the existing pipe
- Inspect the surrounding connections for damage before fitting
- Verify whether any associated seals or washers are required for the joint
Mechanical
| Part type | HOSES & PIPES |
|---|
Compliance
| Manufacturer part number (MPN) | 0020039791 |
|---|---|
| Barcode / EAN | 4024074521977 |
| Alternative numbers | 1381466 |
| 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.
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.
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