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

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

Item: T8775A1009/U
MFR: T8775A1009/U
What’s the price?
Sign in or register for pricing.

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

Add to Order Template

Inventory At Nearby Branches



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)
Hazardous MaterialNo
EPA Cert RequiredNo
Country of OriginCHN
Voltage20-30 VAC
Electrical Rating18 to 30 VAC
Power MethodPowered through system heating controls
Batteries IncludedNo
Digital-Non ProgrammableYes
Stages Cool0
Stages Heat1
Accuracy±1°F; ± 0.5°C
Sensing ElementYes
Temperature Range40°F to 90°F (4.4°C to 32.2°C)
Terminal DesignationsR, W
Warranty OfferedYes
Operating Humidity5 to 90% RH (non-condensing)
Comments/NotesLarge easy-to-see backlit display.
ApplicationHeat Only
Switch TypeElectronic
IncludesWallplate, resistor assembly, mounting screws and wall anchors
GEM - Case Quantity


Parts List

Tell Us How We Can Improve Your Shopping Experience - click here!