Vent Axia 473809 Axial Fan Lo-Carbon NBR dMEV 100mm Humidistat & Timer

The Vent Axia 473809 is a cutting-edge decentralised mechanical extract ventilation (dMEV) unit designed for continuous operation in domestic wet rooms.

This model features an integral ambient response humidistat and a user-friendly digital display, making it ideal for modern, energy-efficient homes. Its market-leading energy efficiency, quiet operation, and precise airflow control make it a standout solution for effective, low-maintenance ventilation.

Product Features

• Humidity Sensor Control: Built-in adjustable humidistat (40%-90%) automatically increases extract rate when humidity rises, ensuring optimal indoor air quality.
• Constant Volume Technology: Maintains desired airflow by adjusting fan speed automatically, eliminating the need for manual calibration or separate airflow measuring devices.
• Quiet Operation: Operates as low as 13 dB(A) at 3 metres (6 l/s), ensuring minimal disruption in living spaces.
• Digital Display: Shows live airflow and system pressure, providing confidence in installed performance without removing the grille.
• Energy Efficient: Consumes significantly less power than traditional centrifugal fans, with specific fan powers as low as 0.12 w/l/s.
• Flexible Airflow Settings: Variable speed options (5-30 l/s trickle, 6-35 l/s boost) with 1 l/s increment adjustments.
• Comfort Control Mode: Optional delayed start prevents immediate boost operation, perfect for late-night bathroom use.
• Versatile Installation: Suitable for in-room, through-wall, or ducted applications; IPX5 rated for use in wet zones.
• Certified Performance: NHBC and STAS approved, with independent testing to BS EN 13141-6.

Technical Specification

• Ducting/connection size: 100mm
• IP rating: IPX5
• Dimensions: 190 x 190 x 81 mm (H x W x D)