CSA/AM - ANSI Z21.20-1985
AUTOMATIC GAS IGNITION SYSTEMS AND COMPONENTS NINTH EDITION; ADDENDA Z21.20A - 1987, ADDENDA Z21.20B - 1988
|Publication Date:||12 April 1985|
The standards set forth herein apply to the tenth edition of the Standard for Automatic Gas Ignition Systems and Components, ANSI Z21.20-1985 and addenda thereto z21.20a-1987, and supersede corresponding standards therein. Following their preparation by the supervising subcommittee, they were accepted by Accredited Standards Committee Z21 and subsequently submitted to the American National Standards Institute, Inc., for consideration of approval as American National Standard
NOTE: Changes, other than editorial, are denoted by a vertical line in the margin.