Honeywell TC300B-G Configurable, Communicating Thermostat for Conventional, Heat Pump and Fan Coil HVAC Systems

Price: $237.84
(as of Aug 30, 2025 05:33:29 UTC – Details)

Introducing the TC300B-G, an advanced, highly configurable thermostat for homes and offices that can be configured to work with almost all possible HVAC configurations. For buildings, it can also connect to a building automation system. The product has flexible inputs and outputs to meet the mostt demanding needs of most 2-pipe or 4-Pipe fan coil applications. And supported functions include dehumidification with or without reheat using an embedded humidity sensor, auxiliary heat functions, and more rapid transitional 2-pipe system seasonal changeover.
This device supports BACnet MS/TP and Modbus communications via RS485 bus as is needed for typical HVAC building control systems
Color, capacitive-touch screen display for intuitive, fast commissioning and exceptional user experience.
Complies with ASHRAE Guideline 36-2021: High-Performance Sequences of Operation for HVAC Systems
For fan coils, options include, On/Off Valve, Floating or Modulating Valve (including the newer 6-Way Modulating Valve), Discharge Air Control and 1-3 speed or variable speed fan modes
Simple screens and icons with a colorful status ring and a customizable inactive display in temrs of what displays and display modes: Auto dim display, always on, or dark mode.