Braeburn 4235 3H/2C Programmable Thermostat With Dry Contact & Humidity Control

Braeburn model number 4235 is 4.25” high x 5.12” wide x 1” deep, powered with either 24 Volt AC or with two “AA” Alkaline batteries (3.0 Volt DC). In the event of a power failure, the unit shall retain all user, installer, and program settings. The thermostat shall be compatible with low voltage single or multistage gas, oil, or electric heating or cooling systems and single or multistage heat pumps with auxiliary heat. Also compatible with 250mv – 750mv millivolt heating only systems and 2 or 3 wire hydronic zone systems. The thermostat shall have an adjustable bright blue backlight display, 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 non-volatile memory to retain user settings, filter, UV and humidifier pad check monitor, adaptive recovery mode (ARM™), programmable fan mode, residual cooling fan delay, indoor or outdoor remote sensor capability and multi-function dry contact input. Thermostat can be used to control an external humidifier or dehumidifier. The cooling system can also be used to reduce humidity. Features: 7 Day, 5-2 Day or Non-Programmable Large Display with Adjustable Backlight Auto or Manual Humidification Control Dehumidification Control with Overcooling Auto or Manual Changeover SmartLimit  Temperature Limits Indoor or Outdoor Remote Sensing Pre-Occupancy Purge Option Auxiliary Heat Fossil Fuel Option Programmable and Circulating Fan Modes Adaptive Recovery Mode (ARM ) Temporary Override Limits TM Compatible with 2 or 3 Wire Hydronic Zone Systems SpeedSet Programming Mode Hardwire or Battery Powered User and Installer Lock Modes Pre-Occupancy Purge Option Auxiliary Heat Fossil Fuel Option Programmable and Circulating Fan Modes Adaptive Recovery Mode Temporary Override Limits Compatible with 2 or 3 Wire Hydronic Zone Systems Multi-Function Dry Contact Input for Occupancy Control, Condensate Monitoring or Door Switch Activation