Historical
ANSI Z83.8-2009/CSA 2.6-2009
American National Standard/CSA Standard For Gas Unit Heaters, Gas Packaged Heaters, Gas Utility Heaters and Gas-Fired Duct Furnaces
Details test and examination criteria for gas unit heaters and gas-fired duct furnaces for use with nat, mfd. and mixed gases, LP gases, and LP gas-air mixtures.
CSA America, Inc. [csa]