The unit has 3 fully variable speeds: normal, boost, and purge. The digital display allows accurate setting of airflow, ensuring exactly the right ventilation rate. Accurate speed control helps minimize noise and energy consumption. With the growing concerns about over-ventilating properties, the Multispeed Multivent offers the option of ‘Close Control’ both in the residential and commercial sectors. With a DC motor that can be set to ventilate any area up to 118 l/s, the Multispeed Multivent is one of the most efficient central extract units in the UK. Features Low carbon footprint. Recognized in SAP PCDB (Appendix Q) Fitted with four extracts 125-diameter spigots allowing quick connection to ducts. Fitted with a condensate drain for wet areas. Option of wall, ceiling, and loft mounting. Can extract from a number of rooms, depending on the dwelling. Improved controllability.Applicable Area Commercial, Kitchen, Laundry Room, Office, Warehouse Duct Size Diameter 125mm Extractor Type Ventilation System Finish Or Colour Black Humidistat No IP Rating IPX2 Minimum Voltage 220V Mounting Wall MPN MANI2000B Timer No Voltage 240V