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PREFACE

This publication represents a basic standard for safe operation, substantial and durable construction, and acceptable performance of portable type gas camp heaters. It is the result of years of experience in the manufacture, testing, installation, maintenance, inspection and research on portable type gas camp heaters designed for utilization of gas. There are risks of injury to persons inherent in appliances that, if completely eliminated, would defeat the utility of the appliance. The provisions in this standard are intended to help reduce such risks while retaining the normal operation of the appliance.

Nothing in this standard is to be considered in any way as indicating a measure of quality beyond compliance with the provisions it contains It is designed to allow compliance of portable type gas camp heaters, the safety construction and performance of which may exceed the various provisions specified herein. In its preparation, recognition has been given to possibilities of improvement through ingenuity of design. As progress takes place, revisions may become necessary. When they are believed desirable, recommendations or suggestions should be forwarded to the Chairman of Accredited Standards Committee Z21/83,8501 East Pleasant Valley Road, Cleveland, Ohio 44131, or the Chairman of CSA Gas Equipment Standards Steering Committee, 178 Rexdale Boulevard, Toronto, Ontario, Canada M9W 1R3.

Safe and satisfactory operation of portable type gas camp heaters depends to a great extent upon its proper installation, use and maintenance. It should be installed, as applicable, in accordance with the National Fuel Gas Code, ANSI Z223.1; the Natural Gas and Propane Gas Installation Code, CSA B149.1.

Users of this American National Standard/CSA Standard are advised that the devices, products and activities within its soope may be subject to regulation at the Federal, Territorial, Provincial, state or local level. Users are strongly urged to investigate this possibility through appropriate channels. In the event of a conflict with this standard, the Federal, Territorial, Provincial, state or local regulation should be followed.