Programmable Thermostat, 2H/1C Heat Pump, 1H/1C Conventional, T4 Pro
1 Available At All US Supply Locations
Honeywell TH4210U2002/U T4 Pro Thermostat – Programmable Control for 1H/1C Conventional and 2H/1C Heat Pump Systems
The Honeywell T4 Pro Thermostat (model TH4210U2002/U) is a programmable thermostat designed for residential single-stage applications. It supports both conventional (1 heat/1 cool) and heat pump systems (2 heat/1 cool), offering flexible programming and straightforward installation for professional HVAC setups.
Product Features
- System Compatibility: Supports 1H/1C conventional and 2H/1C heat pump systems without auxiliary heat.
- Programmable Scheduling: Offers 7-day, 5-1-1, 5-2, or non-programmable operation depending on application requirements.
- Display: LED backlit interface with 3.93 sq-in viewing area for improved visibility in various lighting conditions.
- Changeover Options: Auto or manual changeover modes can be selected based on system design.
- Maintenance Reminders: Optional filter change alerts support routine system maintenance schedules.
Technical Details
- Power Supply: 20–30 VAC, hardwired or battery (2 AA) operation
- Operating Temp Range: 37°F to 102°F ambient
- Dimensions: 4-1/16" H x 4-1/16" W x 1-3/32" D
- Humidity Rating: 5% to 90% RH, non-condensing
- Mounting: Includes Honeywell UWP (Universal Wall Plate) for consistent installation
Installation Considerations
The thermostat is designed to streamline field installation with a standard mounting footprint and on-screen setup menus. For optimal performance and regulatory compliance, professional HVAC installation is recommended. Configuration requires basic tools and should follow the manufacturer’s wiring guidelines for the supported system type.
Application Summary
The T4 Pro TH4210U2002/U is suitable for light residential and retrofit projects where programmable temperature control is required. Its limited stage compatibility makes it ideal for single-stage conventional and heat pump systems where auxiliary heat is not present.
Included Components
- Thermostat unit
- Universal Wall Plate (UWP) with terminal block
- Mounting screws and installation instructions
- 2 AA batteries (for backup)
Specifications
| Weight | 0.900000 |
|---|---|
| Length (inches) | 6 |
| Width (inches) | 4.06 |
| Height (inches) | 4.06 |
| Item Type | Thermostats |
| Brand | Honeywell |
| Display Type | 3.93 sq-in, Medium, Soft Key Controls, LED Back Light |
| Humidity Range | 5 - 90% RH Non-Condensing |
| Manufacturer | Ademco, Inc. |
| MPN | TH4210U2002/U |
| Overall Depth | 1.09 in |
| Stages Heat | Up to 1 Heat/1 Cool Conventional Systems, Up to 2 Heat/1 Cool Heat Pumps |
| Warranty | 5 Years |
| Amperage Rating | 0.02 - 1 A Heat, 0.02 - 1 A Cool Running, 0.02 - 0.05 A Fan |
| Color | White |
| Diameter | 1-3/32 in |
| Differential | +/-1 deg F |
| Mounting Type | UWP System |
| Number of Zones | 1 |
| Overall Width | 4.06 in |
| Power Source | Battery/Hardwired |
| Switch Type | Relay |
| Temperature Rating | 37 - 102 Deg F Operating, - 20 to 120 deg F Shipping and Storage |
| Thermostat Type | Programmable |
| Application | Standard Efficient Gas Forced Air, High Efficacy Gas Forced Air, Oil Forced Air, Electric Forced Air, Hot water Fan Coil, Geothermal Heat Pump, Air to Air Heat |
| Includes | Thermostat, UWP mounting system, Installation (J-box) adaptor |
| Primary Voltage | 20 - 30 VAC |
| Item Returns | This item can be returned |