CSA/AM - ANSI Z21.20A-1998
Automatic Gas Ignition Systems and Components
|Publication Date:||1 January 1998|
The standards set forth herein apply to the twelfth edition of the Standard for Automatic Gas Ignition Systems and Components, ANSI 221.20-1997, and supersede corresponding standards therein. Following their preparation by the supervising subcommittee, they were accepted by Accredited Standards Committee 221 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.
On June 30, 1997, the Canadian Standards Association (CSA) acquired International Approval Services (JAS) which was until then a joint venture of the American Gas Association (A.GA.) and the Canadian Gas Association (CGA). Under this agreement CSA acquired the complete range of IAS standards administration, certification and registration products and services for appliances and accessories fueled by natural and liquefied petroleum gases.