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  • Understanding Automatic Burner Tuning with the Nexus 4000 burner control system

    Understanding Automatic Burner Tuning

    with the Nexus 4000 burner control system

    Publication # 18-09-044

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  • 1 psi equals 27.68 inches of water column

    1 PSI = 27.68 Inches of Water Column

    Publication # 17-08-032

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  • Understanding Combustion Efficiency In CEI Ecoheat Water Heaters

    Understanding Combustion Efficiency

    in CEI Ecoheat™ direct-contact water heaters

    Publication # 16-04-019

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  • CEI Jacketed Firebox Heater - Operation Service and Parts Manual

    CEI Jacketed Firebox Heater

    Operation, Service and Parts Manual

    Publication # V1.5 0813

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  • CEI Ecoheat Direct Contact Water Heater - Operation Service and Parts Manual

    CEI Ecoheat HHW-40 Water Heater

    Operation, Service and Parts Manual

    Publication # C16-003-HHW-40

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  • CEI Ecoheat Direct Contact Water Heater - Operation Service and Parts Manual

    CEI Ecoheat HHW-80 Water Heater

    Operation, Service and Parts Manual

    Publication # C18-054-HHW-80

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