UL 144

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

Regulators covered by these requirements are intended for use in non-refrigerated systems in accordance with the following standards:

1. Liquefied Petroleum Gas Code, (National Fire Codes, Vol. 2) NFPA 58;
2. National Fuel Gas Code (IAS/A.G.A. Z223.1), NFPA 54;
3. Outdoor Cooking Gas Appliances, IAS/A.G.A. Z21.58; and
4. Standard on Recreational Vehicles (RVIAA119.2) (National Fire Codes, Vol. 7), NFPA 501C.

These requirements do not cover:

1. Compressed gas regulators;
2. Gas appliance pressure regulators;
3. Regulators for use in chemical, petroleum, or utility power plants; pipeline or marine terminals; or related storage facilities at such plants or terminals;
4. Combination gas control valves for gas appliances;
5. Regulators for use in oxygen-fuel, gas-welding, and cutting operations; and
6. Regulators for use in engine fuel (automotive and/or marine) applications.