This is a genuine OEM Carrier Infinity System controller thermostat, model SYSTXCCUID01-B, Version 16. It was removed during a full HVAC system replacement and was fully functional at the time of decommissioning. Because the proprietary Infinity system is no longer installed, post-removal operational testing is not possible.

This model is no longer manufactured and is required for many Carrier Infinity communicating systems; it cannot be replaced with a universal thermostat. The display, buttons, terminal pins, and mounting base are all present and intact, with light cosmetic wear consistent with normal residential use. Original backplate and trim ring are included as shown.

Because Carrier Infinity systems are proprietary and no longer installed, post-removal testing is not possible.

This is a model-specific, communicating system controller and will not function as a universal thermostat. Compatibility depends on the exact Carrier Infinity equipment and system configuration.

Returns are not accepted for compatibility issues, installation errors, or systems with underlying faults. If your system requires additional components, programming, or repair, this controller alone may not resolve the issue.

Please confirm compatibility with your HVAC technician or Carrier documentation before purchase. By purchasing, the buyer acknowledges these conditions.

Sold as-is. See photos for detail.