

If more than one heater is used, include equivalent ventilating area. • Provide adequate clearance from people, animals, and combustible materials - 8 feet (2.4 m) from heater outlet; 6 feet (1.8 m) from top; 4 feet (1.2 m) from sides. • Be sure there is no obstruction in intake or output openings. • Be sure heater is on a level, stable surface. • Depending on thermostat setting, heater can start immediately when power cord is connected. • Be sure electrical circuit is adequate and properly grou