
Vaillant
Vaillant Tube 0020021023
Vaillant tube 0020021023 for Ecotec Exclusive 832 and 838 gas boilers.
At a glance
- Appliance family: Ecotec Exclusive
- Also known as 1379896
Showing prices
£36.19
£30.16 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 0020021023 is a tube supplied by Vaillant for use in its gas boilers. It forms part of the internal pipework assembly on the Ecotec Exclusive range. The component is listed under gas boiler spares.
Signs this part needs replacing
- Visible corrosion, pitting or surface damage on the tube
- Weeping or dripping at the tube connections
- Water staining or residue around the tube run
- Scale or debris build-up restricting flow
- Distortion or cracking of the tube wall
Before you order
- Confirm your boiler model against the fitment list above
- Check the part number on the existing component where visible
- Cross-check the GC number of your appliance against the manufacturer's parts list
- Verify the tube's position in the appliance pipework before removal
Compliance
| Barcode / EAN | 4024074506677 |
|---|---|
| Alternative numbers | 1379896 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VAILLANT ECOTEC EXCLUSIVE 832 - VUW 326/4 | — | — | — | |
| VAILLANT VAILLANT ECOTEC EXCLUSIVE 838 - VUW 386/4 | — | — | — | |
| VAILLANT VUW 326/4-7 | 47-044-37 | 47-044-37 | — | — |
| VAILLANT VUW 386/4-7 | 47-044-38 | 47-044-38 | — | — |
| VAILLANT ecoTEC EXCLUSIVE 832 VUW 326/4-7 | 47-044-37 | 47-044-37 | — | — |
| VAILLANT ecoTEC EXCLUSIVE 838 VUW 386/4-7 | 47-044-38 | 47-044-38 | — | — |
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.
