This draw collar for wood burning stove insert has a thermal sensor regulator that allows the unit to turn on and off when optimal temperatures are reached, saving you power and frustration. The Draw Collar for wood burning stove insert includes ​a 3′ high temperature power cord and an additional 3 foot extension cord to reach a local power outlet. Installation is simple and only takes a few minutes-no cutting of the pipe required! The Draw Collar for wood burning stove inserts fits on a 6" stove pipe.