Deta Vimark 4603 4" (100mm) Axial Extractor Fan with Timer & Humidistat

The Deta Vimark 4603 extractor fan delivers quiet, efficient performance with added intelligent control features. With an extraction rate of 25 litres per second (90m³/hour) and a low noise level of 29dB at 3m, it ensures effective ventilation without disruption. This model includes both an adjustable overrun timer (2–30 minutes) and a built-in humidistat, which can be set between 60–90% RH, automatically activating the fan when moisture levels rise. Designed for through-wall installations or ducting runs under 2m, it includes a one-shot thermal fuse for safety. With its slim profile, IP44 rating, and compliance with BS EN 60335-2-80, as well as Building Regulations Approved Documents F & L1, the 4603 is ideal for bathrooms, cloakrooms, and other high-humidity environments. Backed by a 3-year manufacturer’s guarantee for peace of mind.

Key Features

• Sleek, slimline profile with quiet, efficient operation
• Extraction rate: 25 l/s (90m³/hour)
• Noise level: 29dB @ 3m
• Specific fan power: 0.32 W/l/s
• Adjustable overrun timer (2–30 minutes)
• Built-in humidistat, adjustable 60–90% RH
• Ideal for through-wall use or short ducting runs under 2m
• IP44 rated for safe use in bathrooms and wet areas
• Fitted with a one-shot thermal fuse for added protection
• Complies with BS EN 60335-2-80 standards
• Meets Building Regulations Approved Documents F & L1
• Supplied with a 3-year manufacturer’s guarantee

Technical Documentation

Download the Deta Vimark 4603 Data Sheet (PDF)

Instruction Manual

Download the Deta Vimark 4603 Instruction Manual (PDF)