CO Based Low Excess Air Control has been installed on:

• Refinery Process Heaters and Boilers
  
  
• Chemical Plant Heaters and Boilers
  
  
• Industrial Process Boilers
  
  
• Paper Mill Boilers
  
  
• University Central Plant Boilers
  
  
• Hospital Central Plant Boilers
  
  
• Military Central Plant Boiler
  
  
• Prison Central Plant Boiler

The majority of installations include CO based control.  Additional installations include full boiler control of steam header pressure through individual boiler air, fuel, and feed water control.