Honeywell TH4110U2005/U T4 Pro...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$186.87
$81.92
Honeywell TH4110U2005/U T4 Pro Programmable Thermostat, 1 Heat/1 Cool, compatible with Heat Pump and Conventional Systems – front view showing LCD display with temperature, fan, and mode controls

Honeywell TH4110U2005/U T4 Pro Programmable Thermostat, 1H/1C Heat Pump & Conventional

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Model: TH4110U2005/U
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$186.87
$81.92
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Honeywell T4 Pro Programmable Thermostat (TH4110U2005/U)

The Honeywell T4 Pro is a reliable, easy-to-install programmable thermostat designed for residential and light commercial HVAC applications. Compatible with 1 Heat/1 Cool heat pump systems and 1 Heat/1 Cool conventional systems, it supports multiple programming schedules and mounts using the standard UWP system shared across all Honeywell T Series thermostats — making retrofits and replacements straightforward for HVAC contractors and property managers alike.

Key Features

  • Supports up to 1 Heat/1 Cool heat pump and 1 Heat/1 Cool conventional systems
  • Flexible scheduling: 7-day, 5-2, 5-1-1, or non-programmable modes
  • Simple push-button functionality — minimal training required for tenants or end users
  • Filter change reminders help maintain system efficiency
  • LED backlit medium display with soft-key controls
  • UWP Mounting System — standard across all T Series thermostats for fast, consistent installation
  • Battery or hardwired power options
  • 5-year warranty
  • Easy upgrade path to Honeywell Lyric T6 Pro Wi-Fi when C-wire is available

Specifications

  • Voltage: 20–30 Vac, 50/60 Hz
  • Operating temperature: 37°F–102°F (2.7°C–39°C)
  • Setting range: Heat 40°F–90°F; Cool 50°F–99°F
  • Accuracy: ±0.5°C / ±1°F
  • Humidity: 5–90% RH, non-condensing
  • Dimensions: 4-1/16 in. L × 4-1/16 in. W × 1-3/32 in. D
  • Color: White

What's Included

  • Thermostat
  • UWP mounting system
  • Installation (J-box) adaptor

Download TH4110U2005/U Spec Sheet (PDF)

Manufacturer Resources

Product Specs

Department:
Safety
Accuracy C :
0.5 C
Ambient Temperature Range C :
0 C to 50 C
Ambient Temperature Range F :
32 F to 120 F
Application:
Standard Efficient Gas Forced Air, High Efficacy Gas Forced Air, Oil Forced Air, Electric Forced Air, Hot water Fan Coil, Geothermal Heat Pump, Air to Air Heat
Changeover:
Auto or Manual
Cool Current:
0.02 A to 1.0 A running
Differential Temperature C :
± 0.5 C
Differential Temperature F :
± 1 F
Dimensions In :
4-1/16 in. long x 4-1/16 in. wide x 1-3/32 in. deep
Dimensions Mm :
103.6 mm long x 103.6 mm wide x 28 mm deep
Display:
Medium display, Soft Key Controls
Display Size:
3.93 sq.in.
Electrical Connections:
Honeywell UWP Mounting System
Electrical Ratings:
20 to 30 Vac
Fan Current:
0.02-.05 A
Frequency:
50 Hz; 60 Hz
Heat Current:
0.02-1.0 A
Includes:
Thermostat, UWP mounting system, Installation (J-box) adaptor
Item Type:
Product
Leds:
LED Back Light
Mounting Method:
UWP Mounting System
Operating Humidity Range Rh :
5 to 90% RH, non-condensing
Operating Temperature Range C :
2.7 C to 39 C
Operating Temperature Range F :
37 F to 102 F
Power Method:
Battery or Hardwired
Product Color:
White
Programmability:
7 day, 5-1-1 day, 5-2 day, or Non-programmable
Setting Temperature Range C :
Heat: 4.5 C to 32.0 C; Cool: 10 C to 37.0 C
Setting Temperature Range F :
Heat: 40 F to 90 F; Cool 50 F to 99F
Shipping And Storage Temperature Range C :
-28.9 C to 48.9 C
Shipping And Storage Temperature Range F :
20 F to 120 F
Stages:
Up to 1 Heat/1 Cool Heat Pumps; Up to 1 Heat/1 Cool Conventional Systems
Supply Voltage:
20 to 30 Vac
Switch Classification:
Relay
Switch Positions Fan :
AUTO-ON
Switch Positions System :
HEAT-OFF-COOL-AUTO.
Temperature Control Mode Selections:
Ambient Air Temperature

Honeywell TH4110U2005/U – Frequently Asked Questions

How fast can I get the Honeywell TH4110U2005/U delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Honeywell TH4110U2005/U come with a warranty?
Absolutely. The Honeywell TH4110U2005/U is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Honeywell TH4110U2005/U?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Honeywell TH4110U2005/U from ZenSupply?
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