The Schneider Electric Barber Colman TC-1101 is an SPDT thermostat with a setpoint range of 55°F to 85°F. Designed with precision and reliability in mind, this thermostat is equipped with features such as W/400 and 404 functions, enhancing its versatility in HVAC systems. The SPDT configuration allows the TC-1101 to control both heating and cooling processes, ensuring optimal temperature regulation within the specified range.