Tjernlund AD-1 Auto Draft Stove Blower Model;

The Auto-Draft can be installed on any wood or coal burning stove pipe 5" to 8" in diameter. It is designed to solve draft problems without increasing the height or diameter of the chimney. With the Auto-Draft your hard starting stove draws immediately. No smoky back up--even with moist or hard to ignite types of wood. Once the fire is burning, adjust the variable speed control knob on the electrical box to achieve the maximum efficiency of your stove. The Auto-Draft provides for total utilization of your wood, leaving only a fine ash residue in most cases.