The ornamental design for a valvecontroller, as shown and described.
FIG. 1 is a front, top, right-side perspective view of the valve controller, showing our new design;
FIG. 2 is a front, bottom, left-side perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a right-side elevational view thereof;
FIG. 5 is a left-side elevational view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The broken lines shown in the figures are for the purpose of illustrating portions of the valve controller and form no part of the claimed design. The broken lines immediately adjacent to shaded areas represent claim boundaries and form no part of the claimed design. The letters and symbols shown in broken lines are for the purpose of illustrating environment and form no part of the claimed design.