Wall mounted thermostat assembly

A wall mounting assembly for a thermostat, the wall mounting assembly comprising:

• a trim plate having a body defined by a first end and a second end opposite the first end, the first end defining a front section and the second end defining a rear section, the body defining a first passageway extending from the rear section, through the body, to the front section, the body further comprising:
• a plurality of mounting holes formed through the body and spaced apart from one another around the first passageway;
• and
• a positioning feature formed outward from the first passageway and spaced apart from the mounting holes, the positioning feature defined by rearwardly extending walls partially surrounding an aperture formed through the front section of the body, the rearwardly extending walls defining a pocket formed therebetween, the pocket extending along the rear section beyond the aperture;
• and
• a back housing received within the body of the trim plate, the back housing defining a second passageway therethrough aligned along a centerline of the first passageway, the second passageway being smaller than the first passageway;
• wherein the pocket is further defined by a cover extending at least partially across the pocket from each of the rearwardly extending walls, the cover defining tapered surfaces formed inwardly from the rearwardly extending walls and a terminal portion defined by a width smaller than a width of the aperture.