Ferroli
Ferroli Air Vent Kit 3980H990
Air vent kit for Ferroli Bluehelix Hitech RRT combi boilers, supplied under part number 3980H990.
At a glance
- Appliance family: Bluehelix Hitech RRT
- Also known as 3510355
£32.93
£27.44 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 Ferroli 3980H990 is an air vent kit for Bluehelix Hitech RRT series combi boilers. It allows trapped air to be released from the appliance's water circuit, helping the system maintain stable pressure and correct circulation. The kit is supplied by Ferroli under part number 3980H990.
Signs this part needs replacing
- Water weeping or dripping from the vent body
- Trapped air in the boiler or radiators causing gurgling or poor circulation
- Repeated pressure loss on the boiler gauge with no visible leak elsewhere
- Corrosion or limescale staining around the vent
- Vent no longer bleeding air when operated
Before you order
- Confirm your boiler is a Bluehelix Hitech RRT 24C, 28C or 34C
- Check the part number on the existing vent against 3980H990
- Verify the appliance GC number matches your boiler's data badge
- Isolate the appliance and drain down as required before fitting
Compliance
| Alternative numbers | FER3980H990, 3510355 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| FERROLI BLUEHELIX HITECH RRT 24C | 47-267-74 | 47-267-74 | — | — |
| FERROLI BLUEHELIX HITECH RRT 28C | 47-267-75 | 47-267-75 | — | — |
| FERROLI BLUEHELIX HITECH RRT 34C | 47-267-76 | 47-267-76 | — | — |
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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