Deta Vimark 4755MFT 4" (100mm) Inline Mixed Flow Fan with Timer

The Deta Vimark 4755MFT mixed flow fan offers high-performance ventilation with the added convenience of an adjustable overrun timer. Delivering an extraction rate of 62.5 litres per second (160–225m³/hour) and operating quietly at 27–32dB @ 3m, it provides superior airflow compared to standard axial fans. The built-in timer allows continued operation for 2 to 30 minutes after use, helping to reduce condensation and maintain air quality. With a slim, inline design, it is ideal for through-wall applications or ducting runs up to 2m. The fan is IPX4 rated for moisture protection, fitted with a one-shot thermal fuse for safety, and fully compliant with BS EN 60335-2-80 and Building Regulations Approved Documents F & L1. Supplied with a 3-year manufacturer’s guarantee.

Key Features

• Slim, inline mixed flow design with high-performance extraction
• Extraction rate: 62.5 l/s (160–225m³/hour)
• Noise level: 27–32dB @ 3m
• Specific fan power: 0.45 W/l/s
• Adjustable overrun timer (2–30 minutes)
• Suitable for through-wall installations or ducting runs under 2m
• One-shot thermal fuse for additional safety
• IPX4 rated for use in bathrooms and moisture-prone areas
• Complies with BS EN 60335-2-80 safety standards
• Meets Building Regulations Approved Documents F & L1
• Supplied with a 3-year manufacturer’s guarantee

Technical Documentation

Download the Deta Vimark 4755MFT Data Sheet (PDF)

Instruction Manual

Download the Deta Vimark 4755MFT Instruction Manual (PDF)