The 2455RP-91000439 Thermostat COMMERCIAL THERMAL manufactured by Honeywell is a commercial grade, non-programmable electric heating thermostat that is used to control the temperature in commercial applications such as office spaces, warehouses, classrooms, and other commercial buildings. This thermostat has a temperature range of 45°F to 90°F, a +/- degree differential of 0°F-3°F, and it has dual voltage input of 120v and 240v. It also has a non-removable set point, a 3 wire system, and comes complete with a subbase for easy installation.