Vaillant
Vaillant Siphon Adaptor Set 0020059512
Flexible 120 mm siphon adaptor hose for the condensate trap on Vaillant ecoTEC Plus and VU gas boilers.
At a glance
- Appliance family: ecoTEC Plus and VU gas boilers
- Also known as 1380050
£23.90
£19.92 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 0020059512 is a flexible siphon adaptor hose, 120 mm in length, used within the condensate trap assembly of Vaillant gas boilers. It forms part of the condensate drainage path on ecoTEC Plus and VU series appliances, connecting the siphon to the trap or drain outlet. It is supplied as a siphon adaptor set.
Signs this part needs replacing
- Water or condensate leaking from the hose or its connections
- Visible cracking, hardening or perishing of the flexible hose
- Water pooling inside or beneath the boiler casing
- Boiler lockout or fault codes linked to blocked or restricted condensate drainage
- Scale or debris build-up inside the hose reducing flow
Before you order
- Confirm your boiler model and GC number against the fitment list above
- Check the existing hose length and connection points match the 120 mm hose
- Verify the part number 0020059512 on the component being replaced
- Inspect the siphon and trap for damage that may also need attention
Compliance
| Barcode / EAN | 4024074544235 |
|---|---|
| Alternative numbers | 1380050 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VAILLANT ECOTEC PLUS 415 VU GB 156-2-0H | — | — | — | |
| VAILLANT VAILLANT ECOTEC PLUS 418 VU GB 186-2-0H | — | — | — | |
| VAILLANT VAILLANT ECOTEC PLUS 428 VU GB 286-2-0H | — | — | — | |
| VAILLANT VAILLANT ECOTEC PLUS 438 VU GB 386-2-0H | — | — | — | |
| VAILLANT VU 156 | 41-044-53 | 41-044-53 | — | — |
| VAILLANT VU 186 | 41-044-54 | 41-044-54 | — | — |
| VAILLANT VU 186-O | 41-044-30 | 41-044-30 | — | — |
| VAILLANT VU 286 | 41-044-55 | 41-044-55 | — | — |
| VAILLANT VU 286-O | 41-044-31 | 41-044-31 | — | — |
| VAILLANT VU 386 | 41-044-57 | 41-044-57 | — | — |
Showing 10 of 24 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.
VAILLANT appliance manual — VU 156 (GC 41-044-53), VU 186 (GC 41-044-54), VU 286 (GC 41-044-55), VU 286-O (GC 41-044-31), VU 386 (GC 41-044-57), ecoTEC PLUS 415 VU 156 (2006) (GC 41-044-53), ecoTEC PLUS 418 VU 186 (2006) (GC 41-044-54), ecoTEC PLUS 428 VU 286 (2006) (GC 41-044-55), ecoTEC PLUS 438 VU 386 (2006) (GC 41-044-57)
manualmanualVAILLANT appliance manual — VU 186-O (GC 41-044-30), ecoMAX PRO 18E VU 186-0 (2003-2006) (GC 41-044-30), ecoMAX PRO 28E VU 286-0 (2003-2006) (GC 41-044-31)
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