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Honeywell - Round digital thermostat, low-volt

Item: T8775A1009
MFR: T8775A1009/U

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About This Product

Product Info


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


Weight0.35 Pounds (lbs)
Width1.44 Inches (In)
Height3.69 Inches (In)
Country of OriginCHN
Length3.69 Inches (In)
750mV CompatibleNo
Accuracy±1°F; ± 0.5°C
Ambient Temperature Range40°F to 110°F (4.4°C to 43.3°C)
ApplicationHeat Only
Auto ChangeoverNo
Batteries IncludedNo
Battery BackupNo
BrandHoneywell Home
Built In Wi-FiNo
Change/Check RemindersNo
ColorPremier White®
Cycle/Hertz60 Hz
Daylight Savings Time ReadyNo
Digital-Non ProgrammableYes
Display OptionsBacklit, Digital
Displays Outdoor TemperatureNo
Dual Transformer CompatibleNo
Electrical ConnectionTerminals
Electrical Rating18 to 30 VAC
Fan SwitchingNo
Heat Pump CompatibleYes
IncludesWallplate, resistor assembly, mounting screws and wall anchors
Indoor Remote SensorNo
LanguageEnglish; French; Spanish
Low Battery IndicatorNo
Operating Humidity5 to 90% RH (non-condensing)
Power MethodPowered through system heating controls
Programmable FanNo
Prop 65No
Removable InterfaceNo
Sensing ElementYes
Stages Heat1
System SwitchingNo
Temperature Range40°F to 90°F (4.4°C to 32.2°C)
Terminal DesignationsR, W
Vacation ModeNo
Voltage20-30 VAC
Warranty OfferedYes


Equipment Part List