CSA ANSI Z21.40.4a-1998 (R2022)/CGA 2.94a-M98 (R2022)

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Preface

The standards set forth herein apply to the first edition of the Standard for Performance Testing and Rating of Gas-Fired, Air- Conditioning and Heat Pump Appliances, ANSI Z21.40.4-1996/CGA 2.94-M96, and supersede corresponding standards therein. Fol lowing their preparation by the supervising subcommittee, they were accepted by ANSI, and the Interprovincial Gas Advisory Council, and subsequently approved.

NOTE: Changes, other than editorial, are denoted by a vertical line in the margin.