B140.9.1-1972 (R2015)

1. Scope 1.1 This Standard applies to non-pressurized liquid fuelled catalytic appliances ranging in input capacities from 1,000 Btuh to 15,000 Btuh primarily used as portable space heating appliances. 1.2 Appliances with input capacities larger or smaller than anticipate d by this Standard may be examined and tested in accordance with the intent of these requirements, with any additional requirements deemed necessary by the authority having jurisdiction. 1.3 This Standard includes requirements for materials, construction, performance, durability, and safety factors; marking and instruction requirements are also included. 1.4 Portable appliances having materials or forms of construction differing from those contemplated or covered by these requirements but meeting the intent of the requirements, may be examined and tested according to the intent of the requirements, and if found to be substantially equivalent, may be given recognition. 1.5 Portable appliances which comply with these requirements shall not be acceptable if, when examined and tested, they are found to have additional features which impair the results contemplated by the requirements of this Standard.