
Vaillant
Vaillant Air Vent 0020236147
Vaillant air vent 0020236147 for Vantage and VIH GB 120/3 to 300/3 BES cylinders manufactured until 12/2019.
At a glance
- Part type: air vent
- Also known as 1388352
£19.79
£16.49 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 0020236147 is an air vent used on Vaillant unvented hot water cylinders. It allows trapped air to be released from the cylinder and its associated pipework, helping the system fill and circulate correctly. This version applies to appliances manufactured until 12/2019.
Signs this part needs replacing
- Gurgling or bubbling noises from the cylinder or nearby pipework
- Air repeatedly trapped in the hot water system after filling or draining
- Water weeping or dripping from the vent body
- Corrosion, scale build-up or a seized vent cap
- Poor or inconsistent hot water draw-off linked to air locking
Before you order
- Confirm the appliance model number matches one of the fit lines above
- Check the appliance manufacture date falls before 12/2019
- Compare the part number on the existing vent with 0020236147
Compliance
| Alternative numbers | 1388352 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VANTAGE VIH GB 120/3 BES | — | — | — | |
| VAILLANT VANTAGE VIH GB 150/3 BES | — | — | — | |
| VAILLANT VANTAGE VIH GB 180/3 BES | — | — | — | |
| VAILLANT VANTAGE VIH GB 200/3 BES | — | — | — | |
| VAILLANT VANTAGE VIH GB 250/3 BES | — | — | — | |
| VAILLANT VANTAGE VIH GB 300/3 BES | — | — | — | |
| VAILLANT VIH GB 120/3 BES | — | — | — | |
| VAILLANT VIH GB 150/3 BES | — | — | — | |
| VAILLANT VIH GB 180/3 BES | — | — | — | |
| VAILLANT VIH GB 200/3 BES | — | — | — |
Showing 10 of 12 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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