An automatic pressure reducing regulator or a vaporizer regulator designed to withstand a service pressure of at least 250 pounds per square inch shall be installed between the LPG fuel supply container and the carburetor. All regulators and vaporizers shall be of a type that has been tested and listed by the UL or by any other nationally recognized testing laboratory as meeting the UL requirements for LPG. The regulator or vaporizer shall be installed so that its weight is not placed on, or supported alone by, the attached tubing or flexible lines.
N.J. Admin. Code § 13:20-53A.13