Move More Warm Air with Rotating Stove Fan Not only does this ingenious stove fan push warm air from your wood-burning stove through the room, it also rotates for better, efficient distribution. No electricity needed, it automatically starts and once your stove reaches 140 degrees F (60 degrees C), the fan begins to rotate. It's a great way to get the most warmth from your hearth and conserve energy, too! No electricity is needed because it's generated from the heat of your stove. Automatic start at 140 degrees F (60 degrees C). Oscillates by 60 degrees to push warm air throughout the room. Totally quiet - improves your stove's efficiency up to 15%!. Features a built-in temperature gauge for easier use. Made from robust extruded aluminum construction - anodized for a hard-wearing surface and greater protection against corrosion. Suitable for freestanding stoves only; not made for insert stoves or other types of fireplaces. Remove the fan from the stove if the surface temperature exceeds 653 degrees F (345 degrees C). Overall 8-3/4"H, blade 7-1/2"OD. How to Use Your Heat-Powered Stove Fan Be sure to position the stove fan on a smooth flat surface of your stove top near the side or back of the stove (as far away from the pipe as possible).. The warmer the stove is, the more air the fan circulates.. The stove fan is designed for usage on freestanding stoves with a normal surface temperature of between 60 degrees C and 345 degrees C. Remove the fan from the stove if the temperature exceeds 345 degrees C.. Never handle the base of the stove fan and do not set the stove fan down on an unprotected surface when hot. To move or carry the fan, always use the extendable handle.. Tun on the Oscillation Mode on switch (located in back). 60 degree wide-angle oscillation provides you a wide coverage of hot air circulation. Oscillating feature moves the direction of the heat from side to side once the module detects a minimum temperature of 80 degrees C..