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- Stock: In Stock
- Model: RVB125
Inline Fan for Radon Reduction – 125 mm / 490 m³/h
Elevated radon levels in the basement or ground floor are not something that should be ignored. When measurements show excessively high concentrations, it is time for a concrete solution – reliable venting of radon from beneath the house to the outside.
This inline fan for radon reduction is designed for the active removal of radon from a collection point beneath the building through ducting to the outside, away from windows, doors, and other openings. It is an important part of a system that helps reduce radon entry into living spaces.
Important: this is not a standard fan, but a special high-airflow fan design. Only this type of fan can create sufficient negative pressure to draw radon out of the ground, which is essential for effective radon mitigation. High airflow and the correct negative pressure ensure that radon is removed from beneath the building instead of entering the interior.
Why is this fan the right choice for radon?
In radon mitigation, it is not enough for a fan to look powerful on paper. The key requirement is its ability to create sufficient negative pressure in the system beneath the building, because only then can radon be effectively drawn from the soil and directed outdoors.
That is why this model is designed as a special high-airflow fan version. Only a fan with sufficiently high airflow can create the required negative pressure, enabling proper radon extraction from the ground and more efficient performance of the entire system.
How does a radon reduction system work?
The basis of mitigation is a radon sump or collection point created beneath the building. This forms a low-pressure zone into which gases from the soil, including radon, flow.
From this collection point, radon is vented outdoors through ducting, while the fan creates negative pressure and ensures that the gas does not rise through cracks and penetrations into living spaces, but is safely discharged outside the building.
- radon is collected from beneath the foundations
- the ducting system directs it toward the outdoor discharge point
- the high-airflow fan creates the required negative pressure
- the gas is discharged away from the building and occupied openings
Main advantages of the fan
- High airflow of 490 m³/h with a 125 mm diameter
- Creates sufficient negative pressure to draw radon from the ground
- Quiet and efficient – approximately 43 dB(A)
- Energy-efficient – maximum 65 W
- Speed control option (optional)
- Suitable for indoor and outdoor installation
- Mounting bracket included for easier installation
When should you consider installation?
When radon measurements show elevated concentrations and conventional measures such as ventilation or crack sealing are not sufficient, active radon extraction is often the most effective solution.
In such a system, the fan is the central component, as it must provide continuous airflow and adequate negative pressure. If the fan is not a special high-airflow version, it generally cannot create enough negative pressure for effective radon extraction from the ground.
Easy installation and use
Install the fan on a 125 mm ducting system that connects the radon sump to the outdoor exhaust point. Thanks to its robust housing and suitable protection rating, it can be used in both indoor and outdoor sections of the system.
- installation on a 125 mm ducting system
- mounting with the included mounting bracket
- 220/230 V AC, 50 Hz power supply
- option to adjust operating speed
- suitable for basements, technical rooms, and exterior walls
Technical specifications
- Diameter: 125 mm
- Airflow: 490 m³/h
- Rotational speed: approximately 2650 rpm
- Maximum pressure drop: approximately 295 Pa
- Noise level: approximately 43 dB(A)
- Power supply: 220/230 V AC, 50 Hz
- Power consumption: maximum 65 W
- Current draw: approximately 0.32 A
- Air temperature range: -20 °C to +60 °C
- Weight: approximately 5 kg
- Colour: black
- Suitability: indoor and outdoor use
- Speed controllable
- Protection rating: IP44
- Mounting bracket included
Who is it suitable for?
- Homeowners with measured elevated radon levels
- Buildings where active radon mitigation is planned
- Anyone who wants to reduce radon in living areas over the long term
- Users who need a high-airflow fan to create negative pressure
This inline fan is not intended only for general ventilation, but primarily for systems where the goal is effective radon extraction from the ground with the help of sufficient negative pressure.
Order an inline fan for radon reduction
If your radon measurements have revealed elevated levels, it is time for an effective solution.
A reliable radon system starts with the right fan – one designed for real operating demands, not just for basic ventilation.
