Historical
ANSI Z21.40.2a-1997/CGA 2.92a-M1997 (R2017)
ANSI Z21.40.2a-1997 (R2017)/CGA 2.92a-M97 (R2017) - Addenda 1 to ANSI Z21.40.2-1996/CGA 2.92-M96, Gas-Fired, Work Activated Air-Conditioning and Heat Pump Appliances (Internal Combustion)
Addenda 1 to ANSI Z21.40.2-1996/CGA 2.92-M96, Gas-Fired, Work Activated Air-Conditioning and Heat Pump Appliances (Internal Combustion)
CSA America, Inc. [csa]