CSA 2.6 : 2016

Preface
1 Scope
2 Reference publications
3 Definitions
4 Construction
5 Performance
6 Items unique to the United States
7 Items unique to Canada
8 Manufacturing and production tests
Annex A (normative) - Flue loss calculations
Annex B (normative) - Jacket loss calculations
Annex C (Optional) (normative) - Provisions for listed gas
        appliance conversion kits
Annex D (Optional) (normative) - Provisions for listed gas
        appliance ignition conversion kits
Annex E (normative) - Outline of lighting instructions for
        appliances equipped with continuous pilots
Annex F (normative) - Outline of operating instructions for
        appliances equipped with intermittent pilot or
        interrupted pilot systems
Annex G (normative) - Outline of operating instructions for
        appliance equipped with direct ignition systems
Annex H (informative) - Pertinent references to ANSI Y14.15
Annex I (informative) - Wire color designations
Annex J (informative) - Recommended wire color usage
Annex K (informative) - Preferred graphic symbols of commonly
        used items, extracted from standard ANSI/IEEE 315,
        Graphic symbols for electrical and electronics diagrams,
        and abbreviations for these items
Annex L (informative) - Sample failure modes and effects
        analysis for component miswiring
Annex M (informative) - Table of conversion factors

Pertains to newly produced gas fired-duct furnaces, packaged heaters, and unit heaters with input rates up to and including 10,000,000 Btu/h (2931 kW) and utility heaters with inputs up to and including 400,000 Btu/hr (117.2 kW) constructed entirely of new, unused parts and materials: a) for use with natural gas with inlet gas pressures up to and including 5.0 psi (34.5 kPa); unit heaters, packaged heaters, and duct furnace with burners having inputs rates over 400,000 Btu/hr (117228 kW) may have higher inlet pressures; b) for use with liquefied petroleum gases; and c) convertible for use with natural gas and liquefied petroleum gases, when provision is made for the conversion from one gas to the other.