1 Scope

1.1 These requirements cover pressure regulators for use with LP-Gas equipment.

NOTE: For the purposes of this standard the terms “LP-Gas” and “Propane” are interchangeable.

1.2 Regulators covered by these requirements are intended to be installed and used in systems 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) Liquefied Petroleum Gas Code, NFPA 58;

   2. 2) National Fuel Gas Code, NFPA 54;

   3. 3) Outdoor Cooking Gas Appliances, CSA/AM ANSI Z21.58/CSA 1.6; and

2. b) In Canada:

   1. 1) Natural gas and propane installation code, CSA B149.1;

   2. 2) Outdoor Cooking Gas Appliances, CSA/AM ANSI Z21.58/CSA 1.6;

   3. 3) CAN/CSA Z240 RV Series, Recreational Vehicles;

   4. 4) CAN/CSA Z241 Series, Park model trailers; and

   5. 5) Provincial or other Regulations.

Summary of Topics

This revision of ANSI/CAN/UL 144 dated August 5, 2024 has been issued to correct torque values under the column heading "(pound-inches)" in Table 20.1.