Duet Range - Run and standby fans

Duet is a range of run and standby fans designed to provide extraction levels that comply with Building regulations (Document F) for bathrooms and WC's and incorporates a run on timer. All models offer automatic changeover on fan failure.Ultra quiet and particularly suitable for areas where unobtrusive sound levels are essential, Duet is available for surface, recessed or duct mounting. Duet meets the requirement of Health Technical Memorandum 2025, foul extract ventilation systems 2.8. Ideal for new build and refurbishment installations.

Duet features include a backdraught shutter, LED indicators showing the status of the unit, self diagnostic check of controls before the fan will start, run and standby facility, 5-25 minute run on timer and 24 hour auto fan changeover. Suitable for ambient temperatures of up to +40°C, built-in dust filters.

Duet is suitable for use with 100mm diameter ducting or flat ducting, for installations that need concealed ducting, with a minimal ceiling void of only 90mm required.