Details test and examination criteria for unvented, portable camp heaters of the catalytic type for use with propane HD-5 only, having input ratings of 12, 000 Btu per hour or less and intended for use both indoors in adequately ventilated structures, and outdoors. This standard applies to heaters designed for self-contained fuel supplies using fuel cylinders of not more than 75 cubic inches (2-1/2 punds nominal water capacity).
ANSI Z21.62b-1985 history
1985ANSI Z21.62b-1985 Portable catalytic camp heaters for use with propane gas; Addenda