• RS 40-20 L Sileo Box Duct Fan– High Efficiency Rectangular Ventilation Fan, Backward-Curved Impeller, Quiet Operation, Max Airflow 1,267 m³/h
  • RS 40-20 L Sileo Box Duct Fan– High Efficiency Rectangular Ventilation Fan, Backward-Curved Impeller, Quiet Operation, Max Airflow 1,267 m³/h

RS 40-20 L Sileo Box Duct Fan– High Efficiency Rectangular Ventilation Fan, Backward-Curved Impeller, Quiet Operation, Max Airflow 1,267 m³/h

Regular price £559.22
£559.22
Sale price
Regular price
Sale Sold out
Tax included.






Description
  • High Airflow Performance: Delivers a maximum airflow of 1,267 m³/h, making it ideal for efficient ventilation in commercial and industrial spaces
  • Low Noise Sileo Design: Engineered for quieter operation without compromising performance, perfect for noise-sensitive environments
  • Easy Maintenance Access: Motor and impeller are mounted on the access cover, allowing quick servicing and reduced downtime
  • Durable Construction: Made from high-quality galvanised sheet steel for enhanced durability and corrosion resistance
  • Flexible Installation: Can be installed in any position and easily connected with flexible duct connections for convenience

The RS 40-20 L Sileo Box Duct Fan is a high-performance ventilation solution designed for efficient air movement in commercial and industrial duct systems. Featuring a backward-curved impeller and a reliable external rotor motor, this fan ensures powerful airflow of up to 1,267 m³/h while maintaining low noise levels. Its smart design allows the motor and impeller to be mounted on the access cover, making maintenance quick and hassle-free. Built with durable galvanised steel casing, it offers long-lasting performance and corrosion resistance. With integrated thermal protection and flexible installation in any position, this fan is a dependable choice for modern ventilation needs.


  • Model: RS 40-20 L Sileo
  • Product Type: Rectangular / Box Duct Fan
  • Maximum Airflow: 1,267 m³/h
  • Voltage: 230V
  • Material: Galvanised Sheet Steel
  • Colour: Silver / Metallic Finish
  • Dimensions (L x W x H): 400 x 200 x 300 mm
  • Approx. Weight: 12.6 kg (estimated)
  • Motor Type: External Rotor Motor
  • Impeller Type: Backward-Curved Blades
  • Thermal Protection: Integrated with Electrical Reset
  • Installation: Suitable for installation in any position
  • Product Code: 251018

Delivery time: 3-5 working days.


Your purchase includes a 1-year Veralis warranty, offering complete assurance in the quality and longevity of your product. From internal components to craftsmanship and performance, every part of your device is protected. Should you experience any issue during everyday use, our dedicated support team will provide quick and reliable assistance, ensuring you receive a seamless solution with minimal disruption to your comfort.



  • Whisper-Quiet Operation

    Enjoy cleaner air and consistent comfort without any distracting noise.

  • Precision Airflow Engineering

    Enjoy clean, balanced comfort throughout your space.

  • Smart Energy Optimisation

    Our systems automatically adjust their output when needed

  • Built For Modern Living

    Beautiful to look at, effortless to use, and engineered to last.

Veralis Journal

Want to know everything about air filtration, cooling & heating systems? Check out our journal, where we post every week!

Before Veralis
After Veralis

Transform your Space

Check out the impact Veralis products have on a standard room.