Millivolt Thermostat, 2 in Overall Depth, 6 1/2 in Overall Width, Maximum Control Temperature 90 Degrees F, Minimum Control Temperature 45 Degrees F, Compatible Grainger Part Number 36P688, Compatible Manufacturer Model Number Classic 40, Classic 60, CM12, Compatible System Type Portable Air Conditioners, Cord Length Not Applicable, Housing Color Black/Silver/White, Mounting Type Wall Mount