Braeburn Model 3020 – 1 Heat/1 Cool Non-Programmable Thermostat The digital non-programmable thermostat with auto changeover shall be a Braeburn model number 3020, 3.86″ high x 5.11″ wide x 1.42″ deep, powered with either 24 Volt AC or with two “AA” Alkaline batteries (3.0 Volt DC). The thermostat shall be compatible with low voltage single stage gas, oil, or electric heating or cooling systems, and single stage heat pump systems. Also compatible with 250mv – 750mv millivolt heating only systems and 2 or 3 wire hydronic zone systems. The thermostat shall have a bright blue backlight display, SpeedBar, separate sub-base and multi-level keypad lockout. Temperature control range shall be between 45 and 90 F (7 and 32 C), accuracy of +/- 1 F (+/- .5 C) and operating humidity range between 5% and 95% relative humidity. The thermostat shall include separate installer and user setup modes, permanent memory to retain all user, installer and temperature settings, ?lter, UV and humidi?er pad check monitor, adaptive recovery mode (ARM), residual cooling fan delay and indoor or outdoor remote sensor capability. A front reset button will return user settings to default values when pressed.FEATURES: • Large 4 Sq. In. Display with Bright Blue Backlight• Auto or Manual Changeover• SpeedBar  Multi-Function Button• Adjustable Temperature Limits• Indoor or Outdoor Remote Sensing• Permanent Memory Retains Settings• Separate User and Installer Reset Buttons• User Selectable Service Monitors• Hardwire or Battery Powered• Multi-Level Keypad Lockout• Set Point Adjustment Limits• Compressor Short Cycle Protection• Compatible with 2 or 3 Wire Hydronic Zone Systems SPECIFICATIONS: Dimensions: 3.86″ x 5.11″ x 1.42″Electric Rating: 24 Volt AC (18-30 Volt AC)1 amp maximum load per terminal3 amp total maximum load (all terminals)AC Power: 18-30 Volt ACDC Power: 3.0 Volts