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Honeywell TH4210U2002/U - T4 Pro Programmable Thermostat With Stages, 2 H/1 C Heat Pumps, 1 H/1 C Conventional Systems

Item: TH4210U2002/U
MFR: TH4210U2002/U
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T4 Pro Programmable Thermostat with stages up to 2 Heat/1 Cool Heat Pumps; up to 1 Heat/1 Cool Conventional Systems.

The T Series programmable thermostat streamlines everything from product selection and installation to customer service and support. With a standard footprint and simple interface, the T Series will enhance the entire thermostat experience for you and your customers alike.

  • TH4210U2002 2H/1C heat pump and 1H/1C conventional
  • 7-day, 5-2, 5-1-1 or non-programmable
  • Uses the UWP mounting system that's standard across all T Series thermostats
  • Easy upsell to a connected Lyric T6 Pro Wi-Fi when your customer is ready for Wi-Fi (C-wire required)
  • Simple push-button functionality
  • Filter change reminders
  • 5-year warranty
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


NameHoneywell TH4210U2002/U - T4 Pro Programmable Thermostat With Stages, 2 H/1 C Heat Pumps, 1 H/1 C Conventional Systems
Gemaire Item NumberTH4210U2002/U
Manufacturer Product NumberTH4210U2002/U
SKU - PIM Number10698422762539826
ERP Number374739
Unit of MeasureEA
Weight1.1 Pounds (Lb)
Length6.0 Inches (In)
Width5.0 Inches (In)
Height2.3 Inches (In)
Country of OriginMEX
Voltage20-30 VAC
Electrical ConnectionUWP Mounting System
Electrical Rating20 to 30 Vac
Power MethodBattery or Hardwired
Batteries IncludedYes
750mV CompatibleYes
Auto ChangeoverYes
Built In Wi-FiNo
Change/Check RemindersYes
Daylight Savings Time ReadyYes
Digital-Non ProgrammableYes
Display OptionsSystem status, actual time, schedule information, actual indoor temperature, indoor temperature setpoint
Displays Outdoor TemperatureNo
Heat Pump CompatibleYes
Indoor Remote SensorNo
Low Battery IndicatorYes
Programmable FanNo
Stages Cool1
Stages Heat2
Temperature Settings per Day4
Vacation ModeNo
Battery BackupYes
Accuracy0.5 C
Sensing ElementNo
Ambient Temperature Range32°F to 120°F (0°C to 48.8°C)
ApplicationConventional, Heat Pump, Radiator heating
Differential Temperature1 F (0.5 C)
Dual Transformer CompatibleYes
Fan SwitchingYes
MountingWall mount (UWP Mounting System)
Operating Temperature Range37°F to 102°F (2.7°C to 38.8°C)
Removable InterfaceNo
Switch ActionRelay
System SwitchingYes
Temperature Range32°F to 120°F (0°C to 48.8°C)
Terminal DesignationsRC, R, C, W, O/B, Y, G, E, AUX, K
Warranty OfferedYes
Energy Star RatedNo
GEM - Case Quantity


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