Canadian Centre for Occupational Health and Safety
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Update #1 was published as notification that this is now a National Standard of Canada.

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This is the third edition of CSA B214, Installation code for hydronic heating systems. It supersedes the previous editions, published in 2001 and 2007.


This Code sets out the minimum provisions for the installation, extension, alteration, and renewal of hydronic heating systems.

This Code applies to open and closed hydronic heating systems. These systems include
(a) hydronic space heating;
(b) radiant heating (wall, floor, ceiling);
(c) convectors;
(d) fan coils;
(e) combination potable water heating and space heating (combo) systems;
(f) integrated mechanical systems;
(g) indirect-fired domestic water heating;
(h) pool and spa heating;
(i) snow melt systems; and
(j) other auxiliary systems.

In CSA standards, "shall" is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order 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 (nonmandatory) to define their application.

The values given in SI units are the units of record for the purposes of this Standard. The values given in parentheses are for information and comparison only.