Airflow LVECOST (72684309) Centrifugal Low Voltage, Timer Version, Two Speed, 100mm Extractor Fan

High Performance Ventilation – Dual-speed centrifugal fan delivers airflow up to 31 litres/second, perfect for effective ventilation in bathrooms, en-suites, toilets, and utility rooms. Intermittent Operation with Delay Start – Features two selectable speeds (17 & 31 l/s) with an optional 2-minute delay start, ideal for energy efficiency and comfort. Set via DIP switches during installation. Timer Overrun & Pull Cord Boost – Adjustable run-on timer (2–45 minutes) on switched live connection. Momentary pull cord override always boosts to full 31 l/s speed—quiet, smooth, and non-clicking. Compact & Versatile Installation – Designed for surface or recessed mounting on walls or ceilings, in portrait or landscape orientation. Ideal for both new builds and refurbishments. Gravity Flap Included – Supplied with a gravity flap to reduce backdraughts. Easily attached to outlet spigot (wall only) – ensure vertical hinge orientation for proper function. (Note: not recommended for ceiling mounting.)