1 Scope

1.1 These requirements cover liquefied petroleum gas (LP-Gas) vaporizers of the stationary type.

1.2 Vaporizers covered by these requirements are intended to be installed and used in accordance with the applicable Codes and Regulations as determined by the Authority Having Jurisdiction (AHJ), such as, but not limited to:

1. a) In the United States:

   1. 1) Liquified Petroleum Gas Code; NFPA 58;

   2. 2) National Electrical Code, NFPA 70.

2. b) In Canada:

   1. 1) Natural Gas and Propane Installation Code, CAN/CSA-B149 Series;

   2. 2) Canadian Electrical Code, CSA C22.1, Part 1;

   3. 3) Provincial or other regulations.

Summary of Topics

This First Edition of ANSI/CAN/UL/ULC 1349, Standard for LP-Gas Vaporizers, dated February 27, 2023 is a new joint standard and reflects the latest ANSI and SCC approval dates and to incorporate the proposals dated March 11, 2022 and June 24, 2022.