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Honeywell T8775A1009 - 24-Volt Digital Round Thermostat 1 Heat Only

Item: T8775A1009/U
MFR: T8775A1009/U
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Digital Round™, Premium White thermostat provides 24-volt (AC) control of heating only systems. Attractive styling complements any decor. One-touch backlit display. Familiar twist-to-see operation. Available in heat-only models. Includes wall plate, resistor assembly, mounting screws and wall anchors. Large easy-to-see backlit display.


NameHoneywell T8775A1009 - 24-Volt Digital Round Thermostat 1 Heat Only
Gemaire Item NumberT8775A1009/U
Manufacturer Product NumberT8775A1009/U
SKU - PIM Number1371469488050
ERP Number114378
Unit of MeasureEA
Weight0.4 Pounds (Lb)
Length4.0 Inches (In)
Width4.4 Inches (In)
Height2.1 Inches (In)
Country of OriginCHN
Voltage20-30 VAC
Electrical Rating18 to 30 VAC
Power MethodPowered through system heating controls
Batteries IncludedNo
750mV CompatibleNo
Auto ChangeoverNo
Built In Wi-FiNo
Change/Check RemindersNo
Daylight Savings Time ReadyNo
Digital-Non ProgrammableYes
Heat Pump CompatibleYes
Indoor Remote SensorNo
Low Battery IndicatorNo
Stages Cool0
Stages Heat1
Vacation ModeNo
Battery BackupNo
Accuracy±1°F; ± 0.5°C
IncludesWallplate, resistor assembly, mounting screws and wall anchors
Sensing ElementYes
ApplicationHeat Only
Comments/NotesLarge easy-to-see backlit display.
Dual Transformer CompatibleNo
Fan SwitchingNo
Operating Humidity5 to 90% RH (non-condensing)
Removable InterfaceNo
Switch TypeElectronic
System SwitchingNo
Temperature Range40°F to 90°F (4.4°C to 32.2°C)
Terminal DesignationsR, W
Warranty OfferedYes
GEM - Case Quantity


Parts List