The ornamental design for a heatercontrol, as shown and described.
FIG. 1 is a front perspective view of the heater control;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left elevational view thereof;
FIG. 5 is a right elevational view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The structural features and indicia depicted by broken lines have been shown for the purpose of illustrating portions of the heater control that form no part of the claimed design.
The thin solid lines in the views have been provided for the purpose of illustrating the uniformity of the planar surfaces and the contour of the curved surfaces and are not a claimed surface pattern.