48
CL3
Series
High Altitude Operation
High altitude operation of this tube heater is approved, without modification, for elevations up to 4,500
feet (1,372 m) above MSL (sea level) in the United States. Contact the factory for installations above
these elevations.
WARNING
!
Explosion hazard.
This heater must be converted by a trained gas installation and
service personnel only. Failure to comply could result in personal injury, asphyxiation,
death, fire, or property damage.
3.0
Installation
•
High Altitude Operation