Thermostat

FIG. 1 is a top right perspective view of a thermostat;

FIG. 2 is a front view according to the claimed design;

FIG. 3 is a rear view according to the claimed design;

FIG. 4 is a left side view according to the claimed design;

FIG. 5 is a right side view according to the claimed design;

FIG. 6 is a top view according to the claimed design; and,

FIG. 7 is a bottom view according to the claimed design.

Any portion of the article depicted in broken lines forms no part of the claimed design. Oblique lines illustrate a reflective or glossy surface, and not surface ornamentation.