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Honeywell Home Thermostat TH4110U2005/U, T4 Pro Program Mable

Honeywell Home Thermostat TH4110U2005-U feature
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Honeywell Home Thermostat TH4110U2005/U

Honeywell Home Thermostat TH4110U2005-U


Stages Heat 1, Stages Cool 1, Temp. Settings per Day 4, 2, 1, 0, Low Voltage Thermostat 7th Week 5-2, 5-1-1, or Nonprogrammable Programs Termination Names System Switching Yes, Fan Switching Yes, RC, R, C, W, W2, AUX, Y, Y2, O/B, G, K, E, U, U, L/A, S, S, Wi-Fi Capability No Key Pad Lockout No, Programmable Fan Yes, Automatic Changeover Yes, Humidification Control No, Dehumidification Control No, Display Size 5.44 sq. in., Display Type Backlit, Blue Display Color

Regarding this item

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Item Details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 6.2 x 5.2 x 2.3 inches; 11.68 Ounces
  • Item model number ‏ : ‎ TH4110U2005/U
  • Batteries ‏ : ‎ 2 AA batteries are required.
  • Date First Available ‏ : ‎ June 14, 2017
  • Manufacturer ‏ : ‎ Honeywell
  • ASIN ‏ : ‎ B071X9DGHZ

Rear View

Honeywell Home Thermostat TH4110U2005-U 1

Customer Rating

Leila New Jersey

When my HVAC technician installed the one on the main level, I assumed this was precisely like it when I bought it. The backplate is the only thing that differs. I have another one that is much bigger. That is solely a cosmetic issue because it was so simple to install and started working right away once it was in my unit. I’m very relieved that only the outdated thermostat needs to be replaced and not the entire appliance. As much as I appreciate the concept of the Nest, I adore this price and think it’s ideal for an upgrade. One individual found this useful.

Hale New York

This summer, a new HVAC system was built, and the contractor installed a non-programmable thermostat. This thermostat belongs to the same Honeywell series as the others, but it has a programming feature. A half-hour before we went to bed and a half-hour before we got up, we needed something that would turn the heat down and start to warm the house. This item satisfies that demand. I purchased three, and they were accurate, simple to install, and programming saved electricity. There was no need for tech support. One individual found this useful.

Brock Berlin

All of the installation materials, including a wall trim plate to conceal faults larger than the thermostat, are included with the thermostat and have comprehensive documentation. will function with the majority of systems, including two-wire hot water radiating heat. Following step-by-step instructions makes it simple to set up your system after installation. Program modes with simple instructions are available. hot water heating maintains a very consistent temperature within our house. I didn’t require tech assistance, but it was there. One individual found this useful. Beautiful thermostat. straightforward to install and use. I’ll get a second one.

Allan United Kingdom

Very good thermostat for the money. attractive, well-made, clear instructions, support for c wires, and simple to install. Watch out There are numerous settings, and it’s obvious from some of the reviews that some of the reviewers don’t know how to set it up. It’s not difficult, but you do need to read the directions carefully and consider how you want it to function.

In contrast to the criticisms made here: -It does include an automatic heat/cool control. It can measure Celsius. Backlight is present.

I do find the setup and functioning a little confusing. Although the soft-key style is not nearly as clear as labeled buttons, I was happy to exchange it for the capability to run it off the line, which seems unusual at this price bracket.


Why won’t my Honeywell thermostat work?
How to Fix a Honeywell Programmable Thermostat Install fresh batteries; Examine the circuit breaker. Verify that all panel doors are closed on the interior unit; Verify that the furnace or air conditioner is receiving power by making sure the switch next to the indoor unit is turned on.

What’s wrong with my Honeywell wireless thermostat?
Try these things: Ensure that your app is current and that your phone is 3 to 5 feet from your Honeywell Home Thermostat TH4110U2005/U. Restart your mobile device and disable any security-enhancing applications, such as VPNs and GPS spoofers. When the Honeywell Home Thermostat connection is complete, these can be switched back on.

How do I manually operate my Honeywell thermostat?
Setting the temperature on your Honeywell thermostat is easy if you have a manual Honeywell Home Thermostat TH4110U2005/U. To adjust the temperature, simply push the up and down buttons. Until you adjust it again, the temperature you set will remain.

Why won’t my Honeywell Home Thermostat TH4110U2005/U activate the heat?
Checking the Honeywell thermostat should be your first step if your heating system won’t turn on. It’s possible that the Honeywell Home Thermostat TH4110U2005/U battery failed, turning it off. A power surge, brownout, or sudden power interruption could have caused your hardwired Honeywell Home Thermostat TH4110U2005/U to lose its settings.

What could make a Honeywell thermostat in a house cease functioning?
Your Honeywell thermostat may break down due to faulty wiring, loose connections, or disconnections. Check the wiring in your thermostat and secure any wires that are visibly loose. To repair your wiring issues, take into account for replacing the damaged wires or seek the advice of an experienced HVAC technician.

The Honeywell thermostat won’t switch on my furnace; why?
Your Honeywell thermostat’s connection to your heating and cooling system may eventually break due to loose connections, frayed wires, or old wiring. Make sure all of your connections are secure while carefully inspecting your wiring, and replace any wires that you or an HVAC expert determine to be defective.

How can I repair a Honeywell Home Thermostat TH4110U2005/U that won’t work?
If your Honeywell Home Thermostat TH4110U2005/U isn’t working, check the power supply and airflow, replace the batteries, make sure it’s turned on, and make sure the Honeywell thermostat is set to the proper mode. The best course of action is to contact an HVAC specialist if your Honeywell thermostat is still not functioning. They will be able to assist you in identifying and resolving the problem.

Why won’t my Honeywell thermostat turn the heat on?
Due to malfunctioning sensors, poor installation, tripped circuit breakers, etc., a Honeywell thermostat won’t turn on the heat. Resetting your Honeywell thermostat may solve the problem of the heat not turning on.

What do the F and C on a Honeywell Home Thermostat TH4110U2005/U stand for?
The Honeywell Home Thermostat TH4110U2005/U is programmed to show the temperature in degrees Fahrenheit or Celsius. If desired, the user can switch the display to Celsius.

What Honeywell Home Thermostat TH4110U2005/U settings should I use?
While you’re awake at home, Energy.gov advises keeping the Honeywell Home Thermostat TH4110U2005/U at 68 degrees, but lowering it while you’re sleeping or gone. Your annual heating costs could drop by as much as 10% by simply lowering your Honeywell Home Thermostat TH4110U2005/U by 7 to 10 degrees for eight hours each day.

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