Tech Documents

Tech Bulletins

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  Understanding Automatic Burner Tuning

  with the Nexus 4000 burner control system

  Publication # 18-09-044

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  1 PSI = 27.68 Inches of Water Column

  Publication # 17-08-032

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• 

  Understanding Combustion Efficiency

  in CEI Ecoheat™ direct-contact water heaters

  Publication # 16-04-019

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