Honeywell Home TH1110D2009 is a low-voltage, non-programmable thermostat for single-stage heat and single-stage cool systems, including heat pump applications. It provides manual Heat-Cool-Off switching, Auto-On fan control, and terminal connections Y, G, C, W, R. The unit accepts 24 VAC hardwired power (C-wire) or battery power and features a backlit 2.37 sq in LCD with push-button soft key controls and +/-1 deg F accuracy.
Supports 1 heat / 1 cool (1H/1C) and heat pump systems; terminals Y, G, C, W, R; manual changeover Heat-Cool-Off
Power via 24 VAC hardwired (C-wire) or 2 x AA batteries included; low battery indicator; dual transformer compatible
2.37 sq in backlit LCD with push-button soft key controls; UWP wall plate mounting; temperature accuracy +/-1 deg F
Product Highlights
Non-programmable low-voltage thermostat for single-stage heat/cool and heat pump systems; 24 VAC or 2 AA power; terminals Y,G,C,W,R; 2.37 sq in backlit LCD; UWP mounting; +/-1 deg F accuracy.
Product Information
Standard Information
Brand: HONEYWELL HOME
Manufacturer Part Number: TH1110D2009
Country of Origin: Mexico
Technical Specifications
Brand
Honeywell Home
MPN
TH1110D2009
Model Name
T1 Pro
Product Type
Low-voltage non-programmable thermostat
Input Voltage
24 VAC
Power Method
Hardwired (C-wire) or battery (2 x AA)
Battery Type
Alkaline (AA)
Batteries Included
Yes, 2 x AA
Stages
1 Heat / 1 Cool (1H/1C); heat pump and conventional
Terminal Designations
Y, G, C, W, R
Display
LCD with LED backlight
Display Size
2.37 sq in
User Interface
Push-button soft key controls
System Switching
Heat-Cool-Off (manual changeover)
Fan Switching
Auto-On
Programmability
Non-programmable
Mounting Type
UWP wall plate, horizontal mounting
Operating Temperature Range
37 °F to 102 °F
Temperature Control Range
32 °F to 99 °F
Accuracy
+/-1 °F
Temperature Differential
+/-1 °F
Sensor Type
Thermistor
Heat/Cool Current Rating
0.02 to 1.0 A
Fan Current Rating
0.02 to 0.5 A
Contact Rating
Listed as 20 V AC, 30 V AC (see notes â possibly incorrect/ambiguous)
Dual Transformer Compatible
Yes
Low Battery Indicator
Yes
Includes
Thermostat, UWP mounting system/wall plate, decorative cover plate, screws and anchors, 2 AA batteries, installation/user literature
Compatible System Types
Electric forced air furnaces, hydronic systems, gas forced air furnaces, millivolt systems, steam/gravity systems