Deta Vimark 4640 4" (100mm) Shower Fan Kit with Timer

The Deta Vimark 4640 shower fan kit provides efficient, quiet ventilation with a modern slimline design. Offering an extraction rate of up to 30 litres per second (107m³/hour) and a low operating noise level of just 33dB at 3m, it ensures effective removal of steam and moisture in bathrooms and shower rooms. The integrated overrun timer can be adjusted between 2 and 30 minutes, allowing continued operation after use to reduce condensation. This complete kit includes internal and external grilles, a 3-metre flexible ducting, and is supplied with a one-shot thermal fuse for added safety. Fully compliant with BS EN 60335-2-80 and Building Regulations Approved Documents F & L1, the 4640 is backed by a 3-year guarantee.

Key Features

• Sleek, slimline profile with quiet and efficient performance
• Extraction rate: up to 30 l/s (107m³/hour)
• Noise level: 33dB @ 3m
• Specific fan power: 0.47 W/l/s
• User-adjustable overrun timer (2–30 minutes)
• Supplied with internal and external grilles plus 3m flexible ducting
• One-shot thermal fuse for safety protection
• Complies with BS EN 60335-2-80 safety standard
• Meets Building Regulations Approved Documents F & L1
• Includes a 3-year manufacturer’s guarantee

Technical Documentation

Download the Deta Vimark 4640 Data Sheet (PDF)

Instruction Manual

Download the Deta Vimark 4640 Instruction Manual (PDF)