CSA/AM - ANSI Z21.23A-1994
Gas Appliance Thermostats
|Publication Date:||1 January 1994|
The standards set forth herein apply to the ninth edition of the Standard for Gas Appliance Thermostats, ANSI Z21.23-1993, and supersede corresponding standards therein. Following their preparation by the supervising subcommittee, they were accepted by Accredited Standards Committee Z21 and subsequently approved as an American National Standard by the American National standards Institute, Inc.
NOTE: Changes, other than editorial, are denoted by a vertical line in the margin.