CSA/AM - ANSI Z21.78B-1994
Combination Gas Controls for Gas Appliances First Edition
|Publication Date:||1 January 1994|
The standards set forth herein apply to the first edition of the Standard for Combination Gas Controls for Gas Appliances, ANSI 221.78-1992, and Addenda thereto, Z21.78a-1993, and supersede corresponding standards therein. Following their preparation by the supervising subcommittee, they were accepted by Accredited Standards Committee 221 and subsequently approved as American National Standard by the American National Standards Institute, Inc.
NOTE: Changes, other than editorial, are denoted by a vertical line in the margin.