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T4 Pro Programmable Thermostat

8403-089 & 8403-095

The Honeywell T4 Series is a non WiFi thermostat designed with contractors in mind. With simple functionality that’s easy to use, and smart features that are easy to love.   Simple Installation and setup.

8403-089 & 8403-095

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Cabinet Colors
Thermostat image

8403-089 & 8403-095

  • Simple Push-Button Functionality
  • Flexible Programmable Scheduling
  • Auto Changeover
  • Filter Change Reminder
  • Battery Backup
  • No Tool Wiring
  • Optional C/F Display
  • Optional English, Spanish, French