SS-EN-257 › Complete Document History
Mechanical thermostats for gas-burning appliances

Complete Current Edition:
   2022/A1 EDITION - 2022 EDITION WIITH AMENDMENT 1 INTERFILED - Dec. 19, 2023

Obsolete Revision Information:
   2022 EDITION - Mechanical thermostats for gas-burning appliances - Oct. 18, 2022
   2010 EDITION - ENGLISH LANGUAGE EDITION - July 13, 2010
   EDITION 1 - ENGLISH LANGUAGE EDITION - March 11, 1992