| Accuracy | : | 1 F |
| Ambient Temperature Rating | : | 32-120 F |
| Amperage Rating | : | 0.02-1 A |
| Auto Changeover | : | Yes |
| Auxiliary Heat Support | : | Yes |
| Battery Type | : | AA |
| Color | : | White |
| Depth | : | 1.13 in |
| Differential Temperature | : | 1 F |
| Display Type | : | Backlit LCD |
| ENERGY STAR Certified | : | No |
| For Use With | : | HVAC Systems |
| Function Type | : | Temperature Control |
| Height | : | 4.06 in |
| Humidity Control | : | Yes |
| Humidity Rating | : | 5-90 % RH |
| Installation / Mounting Type | : | Wall Mount |
| Number of Fan Speeds | : | 1 |
| Number of Stages | : | 1H/1C |
| Package Quantity | : | 1 |
| Packaged Depth | : | 6.1 in |
| Packaged Height | : | 2.3 in |
| Packaged Width | : | 5.1 in |
| Power Source | : | Battery~Hardwired |
| Product Family | : | T4 Pro |
| Product Weight | : | 0.42 lbs |
| Setpoint Temperature Range | : | 40-99 F |
| Shipping Weight | : | 1 lbs |
| Terminal Designations | : | R~RC~C~W~O/B~Y~G~L~K |
| Voltage Rating | : | 24 V |
| Width | : | 4.06 in |
The Honeywell T4 Pro Programmable Thermostat is a versatile and user-friendly solution for controlling single-stage heating and cooling systems. It is compatible with both 1H/1C conventional systems and heat pumps, making it suitable for a wide range of residential applications.Designed to streamline the entire process from installation to daily use, the T4 Pro features a simple push-button interface and a large, easy-to-read backlit screen. Its straightforward design and standard footprint ensure a hassle-free experience for both the installer and the homeowner.
- Universal Mounting System: Includes the UWP mounting system, which is standard across all T Series thermostats to simplify installation and replacement.
- Flexible Power Options: Can be powered by 2 AA batteries or hardwired using a common (C) wire for constant power.
- Versatile Programming: Offers multiple scheduling options, including 7-day, 5-2, 5-1-1 day programs, or can be used as a non-programmable thermostat.
- Smart Recovery: Features Adaptive Intelligent Recovery, which learns how long the system takes to reach the set temperature and adjusts start times accordingly for optimal comfort.
- Helpful Reminders: Provides filter change and low battery reminders on its clear, backlit display to help with routine system maintenance.
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