CSA ANSI Z21.76b-1997 (R2012)

The standards set forth herein apply to the third edition of the Standard for Gas-Fired Unvented Catalytic Room Heaters for Use with Liquefied Petroleum (LP) Gases, ANSI Z21.76-1994, and Addenda Z21.76a-1996, 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.