CSA ANSI Z21-75:2016 pdf download.Connectors for outdoor gas appliances and manufactured homes
History of the development of the standard for connectors for outdoor gas appliances and manufactured homes
Note: This History is informative and is not part of the standard.
With the onset of the Free Trade Agreement between the United States and Canada on January 2, 1988,significant attention was given to the harmonization of the United States and Canadian safety standards addressing gas-fired equipment for residential, commercial, and industrial applications. It was believed that the elimination of the differences between the standards would remove potential trade barriers and provide an atmosphere in which North American manufacturers could market more freely in the United States and Canada. The harmonization of these standards was also seen as a step toward harmonization with international standards.
A draft harmonized standard for connectors for outdoor appliances and manufactured homes was prepared by the subcommittee members and CSA staff. On September 15, 1998, the Z21/CSA Joint Subcommittee on Connectors for Gas Appliances reviewed, by letter ballot, the first draft harmonized connectors for outdoor appliances and manufactured homes standard based on current coverage from the American National Standard/CGA Standard for Connectors for Gas Appliances, Z21.24/CGA 6.10-1997, and the U.S. Requirement for Gas Connectors for Connection of Fixed Appliances for Outdoor Installation, Park Trailers and Manufactured (Mobile) Homes to the Gas Supply, A.G.A. 3-87 and CSA Standard, CSA 6.27.
The September letter ballot was approved by the joint subcommittee to distribute the draft standard for review and comment in December 1998. At its July 14, 1999 meeting, following reconsideration and modifications in light of comments received on the proposed draft standard, the joint subcommittee recommended the proposed draft to the Accredited Standards Committee Z21/83 and the CSA Technical Committee for approval.
This Standard applies to newly produced assembled connectors constructed entirely of new, unused parts and materials. Such connectors are intended for exterior use above ground for making the following non-rigid connections:
a) between the gas supply and the gas inlet of an appliance for outdoor installation that is not frequently moved after installation. These connectors are not intended for use with wheeled,caster mounted, or portable appliances;
b) between the permanent gas outlet of a manufactured home community (mobile home park) or individual site and the piping inlet on a park trailer or a manufactured (mobile) home; or
c) between sections of a multiple section manufactured (mobile) home.CSA ANSI Z21-75 pdf download.