Preface The standards set forth herein apply to the seventh edition of the Standard for Recreational Vehicle Cooking Gas Appliances, ANSI Z21.57-1993, and Addenda Z21.57a-199
Thermal energy meters - Part 2: Constructional requirements (Adopted CEN EN 1434-2:2015, edition 3:2015 consolidated with amendment 1:2018, with Canadian deviations)