The Com-Pak Plus is the economical choice with highly regarded safety components. Includes heater assembly， wall can， and white grill. Features Nichrome coil elements for quick heat， built-in single pole thermostat， primary and secondary thermal safeguards， heavy-duty high temperature manual power reset， over temperature one-time thermal fuse， and powder-coat paint finish that eliminates sharp metal edges. Variable heat settings. A single-pole thermostat does not have a true "off" setting - you can turn it down all the way， but if the room gets below 40 degrees it is made to turn on. Heaters are perfect for smaller areas or larger areas needing the dispersed heat created by multiple heaters. 20 gauge wall mounting can with six knockouts and 34 cubic inch wiring compartment designed for ease of installation and fits between standard 16 In. on center studs. UL listed. UL requires heater to be placed a minimum distance of 6" from adjacent surfaces and 4-1/2 In. from the floor. Manufacturer recommends installation 12 In. from all surfaces. Models 1500 watts or less may be ceiling mounted. A 3 Ft. minimum clearance is required for furniture or other objects placed directly in front of heater. Rough-in dimensions: 8 In. W x 10-1/4 In. H x 4 In. D. Grill dimensions: 9 In. W x 12 In. H. Wall can dimensions: 7-7/8 In. W x 11-1/2 In. H x 4 In. D.