CSA 4.9-1969 (R1999)
Gas-Fired Steam and Hot Water Boilers
standard by CSA Group, 04/01/1969
Full Description
1.1 Scope This standard applies to newly produced boilers (see Definitions, Part III, Boiler) constructed entirely of new, unused parts and materials. (a) for use with natural gas (b) for use with manufactured gas (c) for use with mixed gas (d) for use with liquefied petroleum gases, or (e) for use with LP gas-air mixtures