Siemens RDY2000BN

BACnet Commercial Thermostat, Programmable, 24 VAC, Conventional Systems: 3H/3C, Controls Heat Pumps with 1 or 2 Compressors and up to 2-Stage Auxiliary Heat, Temperature & Humidity Sensors, Multiple Configurable Inputs/Outputs, Touchscreen LCD Display, 5-Year Warranty ( Minimum Siemens order quantity of $250.)