CSA ANSI Z21.63a-2001/CSA 11.3a-2001 PDF
1.1 Scope 1.
1.1 This standard details test criteria for unvented portable type gas camp heaters of the infrared type only, up to and including a maximum input of 12,000 Btuh (3.52 kW) using propane, butane and liquefied petroleum gases and mixtures and intended for outdoor use.