TH5110D1022

The FocusPRO 5000 series non-programmable digital thermostat is a trusted solution for single-stage residential and light commercial HVAC applications. Designed to work with 24 VAC conventional heating and cooling systems as well as heat pump configurations, this unit also supports 750 mV heating systems — making it one of the more versatile thermostats in its class. The large backlit display shows both current room temperature and the user-set target simultaneously, providing clear readability under a wide range of lighting conditions.TH5110D1022

This used and fully tested unit carries all the core functionality of the original production model. Dual-power capability means it can run on two AAA batteries or draw power directly through the hardwired C terminal, giving installers flexibility during setup. Temperature control accuracy is rated at ±1°F, and built-in compressor protection via a minimum-off timer helps guard connected equipment against premature wear. System mode options include Heat, Off, Cool, and Auto, while fan settings support both Auto and On positions.TH5110D1022

Pulled from a functioning system and thoroughly tested before listing, this thermostat offers a cost-effective alternative to purchasing new — particularly useful for property managers, HVAC service technicians, and facilities teams needing a reliable replacement on a budget. The TH5110D1022 is compatible with 1 Heat/1 Cool conventional systems and heat pumps without auxiliary heat, and mounts horizontally to a standard wall plate for straightforward installation.

Whether you are replacing a failed unit or stocking a spare for service work, this pre-owned thermostat delivers the dependable performance the FocusPRO line is known for. Its non-programmable design keeps operation simple, and the push-button interface requires no technical expertise to operate day-to-day. All major functional features have been verified through testing, so buyers can install with confidence.TH5110D1022

Dual Power: This thermostat runs on two AAA batteries or hardwired 24 VAC power through the C terminal, giving installers maximum flexibility.
Large Backlit Display: The 2.98 sq-in backlit screen simultaneously shows both room temperature and the set-point temperature for easy at-a-glance reading.
Temperature Accuracy: Onboard sensing maintains comfort control to within ±1°F (±0.5°C), ensuring consistent heating and cooling performance.
Compressor Protection: A built-in minimum-off timer prevents the compressor from short-cycling, extending the lifespan of connected HVAC equipment.
Used & Tested: This unit was removed from a working installation and has been fully tested to confirm proper operation before shipment.