Honeywell Commercial TC300B-G

Honeywell Commercial TC300B-G is a 24V commercial fan coil thermostat designed for 2-pipe or 4-pipe applications. The TC300B-G supports BACnet MS/TP, Modbus RTU and Sylk communication networks, and includes a color display for intuitive setup and real-time status. Operate temperatures from 40–99°F with clear feedback and reliable control in busy commercial environments.

With versatile building automation compatibility, this thermostat integrates seamlessly into BAS workflows, enabling centralized monitoring, energy management, and precise fan coil control.

• 24V commercial fan coil thermostat for 2-pipe or 4-pipe systems
• Multi-protocol communication: BACnet MS/TP, Modbus RTU, and Sylk
• Color display for easy configuration and status visibility
• Temperature range 40–99°F for accurate comfort control
• Reliable operation designed for commercial HVAC and building automation projects