For the best Gemaire experience, please update your web browser.

Lux GEO-BL-003 - Universal Wi-Fi Connected Thermostats, 7-Day Prog/Manual 2H/2C, Black

Item: GEO-BL
What’s the price?
Sign in or register for pricing.

Your Order Templates
Save products for later, or create order templates to quickly re-buy items for routine jobs.

Add To Order Template

Inventory At Nearby Branches



LUX/GEO delivers flexibility and control all with the touch of your smartphone screen or with the intuitive control wheel interface.

With its attractive design and soft curves, LUX/ GEO has both brains and beauty. The large display, control wheel interface and free Android/ iOS App offers intuitive functionality both online and at the device. The LUX/GEO gives the user full control with easy to understand programing and built-in geo fencing to automatically save energy when the user is out of the house.

The LUX/GEO can be powered by system power C-wire, USB plug or AA lithium batteries. With up to 2 heat, 2 cool compatibility it means the LUX/GEO will work on virtually all systems.

For use on:
  • Universal compatibility for conventional heat & A/C up to 2-stage heat/2-stage cool
  • Universal compatibility for heat pumps with up to 2-stage heat/ 2-stage cool (including aux/emergency heat)
  • 3-wire heat only hydronic systems (hot water, baseboard and radiator)
  • Gas millivolt heaters
Not for use on:
  • Heat pump with (Y2) two compressor stages
  • -Line voltage systems (120/240 VAC)


NameLux GEO-BL-003 - Universal Wi-Fi Connected Thermostats, 7-Day Prog/Manual 2H/2C, Black
Gemaire Item NumberGEO-BL
Manufacturer Product NumberGEO-BL-003
SKU - PIM Number1441960247750
ERP Number358187
Unit of MeasureEA
Weight0.4 Pounds (Lb)
Length1.4 Inches (In)
Width5.8 Inches (In)
Height3.3 Inches (In)
Country of OriginCHN
Voltage24 VAC
Electrical ConnectionNo
Electrical Rating1.5 Amps
Power MethodBattery, C-wire or Micro USB
Batteries IncludedYes
750mV CompatibleNo
Auto ChangeoverYes
Built In Wi-FiYes
Change/Check RemindersNo
Daylight Savings Time ReadyNo
Digital-Non ProgrammableYes
Display OptionsDigital Backlit
Displays Outdoor TemperatureNo
Heat Pump CompatibleYes
Indoor Remote SensorNo
Low Battery IndicatorYes
Programmable FanNo
Stages Cool2
Stages Heat2
Temperature Settings per Day4
Vacation ModeYes
Battery BackupYes
Accuracy+ or - 1 degree
Ambient Temperature Range45°F to 90°F (7.2°C to 32.2°C)
ApplicationTemperature control
Differential Temperature+ or - 1 degree
Dual Transformer CompatibleNo
Fan SwitchingNo
MountingWall Mount
Number of HVAC Zones1
Operating Temperature Range45°F to 90°F (7.2°C to 32.2°C)
Removable InterfaceNo
System SwitchingYes
Temperature Range45°F to 90°F (7.2°C to 32.2°C)
Terminal DesignationsRH,RC,B,W1,0,Y1,W2,C,Y2
Warranty OfferedYes
Cycle/Hertz60 Hz
GEM - Case Quantity


Parts List