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Compare documented specifications below. “Not specified” means the catalog has no value; it does not mean a feature or requirement is absent. Confirm system compatibility before choosing a replacement. On smaller screens, scroll the table horizontally.
| Specification | T4 Pro TH4110U2005 Programmable Thermostat |
|---|---|
| Brand | Honeywell Home |
| Model | TH4110U2005 |
| SKU | 365448 |
| Component role | Standalone |
| Lifecycle | Current |
| Building systems | Not specified |
| Requires | Not specified |
| Changeover modes | Automatic or manual |
| Contact ratings | Control circuits: 20–30 Vac |
| Dual transformer support | Supported for documented conventional 1H/1C wiring |
| Heating and cooling stages | Heat pump: 1 heat / 1 cool without auxiliary heat; Conventional: 1 heat / 1 cool |
| Keypad lockout | Partial/full options; menu enablement differs by software version |
| Power sources | Battery or 24 Vac hardwired |
| Scheduling | 7-day, 5-1-1-day, 5-2-day or non-programmable |
| Setpoint limits | Minimum cool and maximum heat limits, configured by installer |