Vaillant
Vaillant Cap 0020268879
Vaillant cap, part number 0020268879, for use with VU 446/5-5 and VU 606/5-5 appliances.
At a glance
- Part type: cap
- Also known as 1388734
Showing prices
£8.96
£7.47 ex. VAT · VAT at 20%
Available to order · 7 working days
Available to order · 7 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 cap manufactured by Vaillant, carrying part number 0020268879. It is listed for use on the VU 446/5-5 and VU 606/5-5 appliance families. The cap closes off or seals its designated connection point on the appliance.
Signs this part needs replacing
- Visible cracking, splitting or deformation of the cap
- Dampness, weeping or water tracking around the cap
- The cap no longer seats or holds correctly in position
- Corrosion, scale or debris build-up on the cap or its seating face
- Discolouration or hardening of the cap material
Before you order
- Check the appliance data badge to confirm the model and GC number
- Confirm the existing part is marked 0020268879, or that this number appears against your model in the manufacturer's parts list
- Check the cap's location and condition before removal so the correct item is ordered
Compliance
| Alternative numbers | 1388734 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VU 446/5-5 | 41-694-28 | 41-694-28 | — | — |
| VAILLANT VU 606/5-5 | 41-694-29 | 41-694-29 | — | — |
| VAILLANT ecoTEC VU 446/5-5 (2018) | 41-694-28 | 41-694-28 | — | — |
| VAILLANT ecoTEC VU 606/5-5 (2018) | 41-694-29 | 41-694-29 | — | — |
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.
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Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.