The ornamental design for an irrigationcontroller, as shown and described.
FIG. 1 is a first top perspective view of an irrigation controller, according to our new design;
FIG. 2 is a second top perspective view of the irrigation controller shown in FIG. 1;
FIG. 3 is a first bottom perspective view of the irrigation controller shown in FIG. 1;
FIG. 4 is a second bottom perspective view of the irrigation controller shown in FIG. 1;
FIG. 5 is a left side elevational view of the irrigation controller shown in FIG. 1;
FIG. 6 is a right side elevational view of the irrigation controller shown in FIG. 1;
FIG. 7 is a front side elevational view of the irrigation controller shown in FIG. 1;
FIG. 8 is a rear side elevational view of the irrigation controller shown in FIG. 1;
FIG. 9 is a top view of the irrigation controller shown in FIG. 1; and,
FIG. 10 is a bottom view of the irrigation controller shown in FIG. 1.
The broken lines shown in the figures are for the purpose of illustrating portions of the irrigation controller that form no part of the claimed design.