Draft Details

Designation:Z83.7/CSA 2.14
Contact name:Jennifer Hess
Review start date:May 10, 2022
Review end date:Jul 9, 2022
Contact email:kelly.yaremko(at)csagroup.org
Associated materials (click link to download). You will need to be logged in to download any files:
Draft Scope/Description:

1.1 Applicable equipment

This Standard applies to newly produced, direct-fired and indirect-fired construction heaters, hereinafter referred to as heaters or appliances, constructed entirely of new, unused parts and materials and primarily intended for temporary use in heating buildings or structures under construction, alteration, or repair. Products of combustion generated by direct-fired heaters are vented into the area being heated, whereas products of combustion generated by indirect-fired heaters are vented to the outdoors.

The requirements of this Standard cover heaters with rated inputs up to and including 10,000,000 BTU/h (2930 kW). 

This Standard applies to self-contained heaters with or without integral means for air circulation and may be intended for connection to ducts. If a heater is designed to be utilized with ductwork, the heater is to be tested with the ductwork recommended by the manufacturer or at the maximum static pressure specified by the manufacturer.

This Standard applies to direct ground thawing appliances for outdoor use where heat is directed into the ground.

This Standard applies to universal construction heaters (see Clause 3).

This Standard applies to heaters for use with the following fuel types:

a) natural gas;

b) propane gas in the vapor phase; and

        c) propane gas in the liquid phase when the heater:

incorporates an integral vaporizer that meets the requirements outlined in Clause 7, and meets all requirements for heaters for outdoor use outlined in Clause 5.14.


1.2 Non-applicable equipment

This Standard does not apply to heaters employing a flameless catalytic combustion process.

This Standard does not apply to heaters for use with liquid phase fuel gases, except when the heater is for use with liquid propane and incorporates an integral vaporizer as outlined under applicable fuel types in Clause 1.1.

1.3 Accessories

All accessories intended for use with appliances certified to this Standard are to be tested on the appliance in which they may be used.

1.4 Items unique to Canada

Clause 8 contains requirements that are unique to Canada.

1.5 Items unique to United States

Clause 9 contains requirements that are unique to the United States.

1.6 High altitude

Annex A outlines special construction provisions applicable to an appliance designed for use with an optional listed high- altitude conversion kit.

1.7 Fuel conversion

Annex B outlines special construction provisions that applicable to an appliance designed for use with an optional listed conversion kit.

1.8 Standard references

Clause 2 contains a list of standards specifically referenced in this Standard, and the sources from which these reference standards may be obtained.

1.9 Pressure references

All references to psi throughout this Standard are to be considered gauge pressure unless otherwise specified.

1.10 Measurement units

This Standard contains SI (Metric) equivalents to the yard/pound quantities, the purpose being to allow the Standard to be used in SI (Metric) units. IEEE/ASTM SI 10 or ISO 80000-1:2009 is used as a guide in making metric conversion from yard/pound quantities.

If a value for a measurement and a corresponding value in other units are stated, the first stated value is to be regarded as the requirement. The given corresponding value may be approximate. If a value for a measurement and a corresponding value in other units are both specified as a quoted marking requirement, the first stated unit, or both are to be provided.

1.11 Mandatory language

In this Standard, “shall” is used to express a requirement, i.e., a provision that the user is required to satisfy to comply with the standard; “should” is used to express a recommendation or that which is advised but not required; and “may” is used to express an option or that which is permissible within the limits of the standard.

Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material.

Notes to tables and figures are considered part of the table or figure and may be written as requirements.

Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application.

You may comment on any section of this document by clicking the “Submit Comment” link at the bottom of the relevant section.