Airflow Icon Fan Control Timer Module - 72612601 Brand new and boxed with instructions. Airflow Icon Fan Control Timer Module (72612601) is a white plastic extractor fan with a switch control style. It operates on an electric power source and has a voltage of 230V. This timer module is designed for use in any room and features a single speed setting. Perfect for maintaining good air quality and circulation in your home, this fan control module from Airflow is a reliable and efficient addition to your heating, cooling, and ventilation system.