Heating neck

FIG. 1 is a perspective view of a heating neck showing the claimed design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is an enlarged view of the identified portion of FIG. 1 .

The broken line shown in the drawings is included for the purpose of illustrating portions of the heating neck and forms no part of the claimed design.