Vaillant
Vaillant Adapter Siphon OV 0020195609
Vaillant 0020195609 siphon adapter for open-vent regular boilers, including ecoTEC plus, Ecofit PURE, Ecofit Sustain and HOME Regular models.
At a glance
- Also known as 1387948
£10.52
£8.77 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 0020195609 is a siphon adapter for open-vent (OV) regular boilers. It is fitted as part of the siphon arrangement on the listed ecoTEC plus, Ecofit PURE, Ecofit Sustain and HOME Regular models.
Signs this part needs replacing
- Water or condensate weeping from the siphon connection
- Condensate pooling or overflowing inside the boiler casing
- Cracks, brittleness or heavy scale on the adapter body
- Persistent condensate smell or drainage that will not clear
- Repeated boiler lockouts linked to condensate drainage
Before you order
- Check the boiler model and GC number against the fits list above.
- Confirm the appliance is an open-vent (OV) model, as this adapter is listed for OV variants.
- Compare the part number on the existing adapter with 0020195609.
- Check whether any other siphon components need replacing at the same time.
Compliance
| Alternative numbers | 1387948 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT HOME REGULAR 12 -A | 41-044-88 | 41-044-88 | — | — |
| VAILLANT HOME REGULAR 15 -A | 41-044-89 | 41-044-89 | — | — |
| VAILLANT VU 126/6-5 OV | 41-044-71 | 41-044-71 | — | — |
| VAILLANT VU 126/6-5 OVZ | 41-694-13 | 41-694-13 | — | — |
| VAILLANT VU 156/6-5 OV | 41-044-72 | 41-044-72 | — | — |
| VAILLANT VU 156/6-5 OVZ | 41-694-14 | 41-694-14 | — | — |
| VAILLANT ecoFIT PURE 412 - VU 126/6-3 OV (2016) | 41-694-08 | 41-694-08 | — | — |
| VAILLANT ecoFIT PURE 415 - VU 156/6-3 OV (2016) | 41-694-09 | 41-694-09 | — | — |
| VAILLANT ecoFIT SUSTAIN 415 - VU 156/6-3 OV (2018) | 41-694-33 | 41-694-33 | — | — |
| VAILLANT ecoFIT SUSTAIN 418 - VU 186/6-3 OV (2018) | 41-694-34 | 41-694-34 | — | — |
Showing 10 of 15 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 — HOME REGULAR 12 -A (GC 41-044-88), HOME REGULAR 15 -A (GC 41-044-89)
manualmanualVAILLANT appliance manual — VU 126/6-5 OV (GC 41-044-71), VU 156/6-5 OV (GC 41-044-72), ecoTEC PLUS 412 VU 126/6-5 OV (2015) (GC 41-044-71), ecoTEC PLUS 415 VU 156/6-5 OV (2015) (GC 41-044-72)
manualmanualVAILLANT appliance manual — VU 126/6-5 OVZ (GC 41-694-13), VU 156/6-5 OVZ (GC 41-694-14), ecoTEC PLUS 412 VU 126/6-5 OVZ (2016) (GC 41-694-13), ecoTEC PLUS 415 VU 156/6-5 OVZ (2016) (GC 41-694-14)
manualmanualVAILLANT appliance manual — ecoFIT PURE 412 - VU 126/6-3 OV (2016) (GC 41-694-08), ecoFIT PURE 415 - VU 156/6-3 OV (2016) (GC 41-694-09)
manualmanualVAILLANT appliance manual — ecoFIT SUSTAIN 415 - VU 156/6-3 OV (2018) (GC 41-694-33), ecoFIT SUSTAIN 418 - VU 186/6-3 OV (2018) (GC 41-694-34)
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