TPI Fan forced unit heater has heavy gauge welded steel finned copper clad steel sheath heating-element for heating. It is power rated for 10 and 7.5-Kilo-Watts and voltage rated for 240 and 208-Volts. It has steel housing construction for added du73ility. This fan-forced unit heater features over heat protection, automatic reset type limit control, summer fan switch, power disconnect switch and heat stratification thermostat for added functionality. It provides airflow up to 700 CFM. Fan-forced unit heater is cETLus listed.