Baxi
Baxi Automatic Air Vent 720004701
Automatic air vent for Baxi gas boilers, part number 720004701.
At a glance
- Also known as 1119346, N2939
£48.67
£40.56 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
Baxi 720004701 is an automatic air vent for Baxi gas boilers. It automatically releases trapped air from the heating system to prevent airlocks and maintain circulation. This component helps protect the boiler and radiators from corrosion and noise caused by air pockets.
Signs this part needs replacing
- Water dripping or weeping from the vent body or cap
- Continuous leaking when the system is pressurised
- Air not being released, causing gurgling noises or cold spots
- Visible corrosion, scale or debris around the vent
- Vent cap stuck or damaged, preventing proper operation
Before you order
- Confirm your boiler model against the manufacturer's parts list
- Check the part number 720004701 matches the existing component
- Inspect the system pressure and water quality before fitting
- Ensure the vent is suitable for the system type and pressure
Compliance
| Barcode / EAN | 5039177751144 |
|---|---|
| Alternative numbers | 1119346, N2939 |
No fitment data held for this part.
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 documents held for this part. The technical team will source them from the manufacturer — usually the same working day.
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