Designed for ceiling installation, this ODS unit heater provides a high level of comfort. Driven by a powerful motor, the fan creates circulation by blowing the warm air accumulation near the ceilings downward. Built-in 240 V contactor High-limit temperature control with automatic reset Totally enclosed and lifetime-lubricated ball bearing motor Fan delay purges heater of residual heat Recommended height between 8 ft (2.4 m) and 12 ft (3.6 m)