Deta Vimark 4700ZTH 4" (100mm) Zone 1 Axial Extractor Fan with Timer & Humidistat

The Deta Vimark 4700ZTH extractor fan is purpose-built for safe installation in Zone 1 bathroom areas, offering quiet, efficient ventilation with advanced moisture control. With an extraction rate of 24 litres per second (88m³/hour) and a low operating noise of 26dB @ 3m, it provides effective steam and odour removal while maintaining a comfortable environment. This model features both an adjustable overrun timer (2–30 minutes) and a humidistat (adjustable 60–90% RH), allowing the fan to automatically activate when humidity rises. Slim in design, it is suitable for through-wall applications or short ducting runs up to 2m. Built with an IP45 rating for enhanced moisture protection and a one-shot thermal fuse for safety, the 4700ZTH is fully compliant with BS EN 60335-2-80 and Building Regulations Approved Documents F & L1. It comes complete with a 3-year manufacturer’s guarantee for peace of mind.

Key Features

• Slimline, modern design with quiet and efficient performance
• Extraction rate: 24 l/s (88m³/hour)
• Noise level: 26dB @ 3m
• Specific fan power: 0.31 W/l/s
• Adjustable overrun timer (2–30 minutes)
• Integrated humidistat (adjustable 60–90% RH)
• Approved for Zone 1 bathroom installation
• Ideal for through-wall use or ducting runs under 2m
• IP45 rated for extra moisture protection
• Fitted with a one-shot thermal fuse for added safety
• 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 4700ZTH Data Sheet (PDF)

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