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Honeywell TH1100DV1000/U Pro 1000 Vertical Non-Programmable Thermostat

Q: Can this be used on a 12v system?

Yes. I am using one on a 12 volt system and 5 on 500 milivolt systems. It should also work on a 24 volt system. It should be noted that this thermostat receives power to run the display and electronics from 2 AAA batteries that last a long time. These are required on a 500 milivolt system. The batteries can be omitted on a 12 or 24 volt system if (and only if) you have a 3 wire connection to the thermostat. The 3rd wire is the common terminal (which is not required for a mechanical thermostat with no clock, light, or electronics). You may use the batteries with a 3 wire system that doesn't need them. I believe this will cause it to hold its setting if the power goes out and comes back on. I believe (but am not sure) that the setting will be lost on a 3 wire system without batteries if the power goes out. On a 500 milivolt system the batteries are required.

Q: Does this work on a gas fireplace with a 2 wire setup?

I am using this thermostat on a 2 wire setup. It works fine. Boba

Q: How do you program this thermostat? (honeywell pro 1000)

There is no programming of this thermostat. It is for heat only.

Q: Does this work for 12v DC furnace for camper/travel trailers?

Yes. I replaced the OEM thermostat that failed the first night in my 2017 Airstream with this exact model TH11000-1000 three years ago and it's worked great ever since. And I had the same model in my little camping trailer as well. Both were 12v propane fired forced air, although that makes no difference since the electronics in this thermostat are separately powered by two AAA batteries and all it has to do is make and break the two-wire heater connection.

4.6/5

Product ID: 479613579

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Details

Brand
Honeywell
Controller Type
Push Button
Special Feature
Auto
Colour
White
Temperature Control Type
Manual
Connectivity Technology
Wi-Fi

⚡24V power efficiency

📶Wi-Fi connectivity

🔄Auto Changeover seamless switching

Frequently Bought Together

Honeywell TH1100DV1000/U Pro 1000 Vertical Non-Programmable Thermostat

Honeywell TH1100DV1000 Pro-Digital 2-Wire Heat Only

Description

🌡️ Stay cool, stay warm, stay connected — comfort that never quits!

SMART CONNECTIVITY - Wi-Fi enabled for remote monitoring and control, keeping your space perfectly balanced anytime, anywhere.
ENERGY SAVVY OPERATION - Powered by 24 volts and lightweight at just 0.05 kg, it’s designed for efficient, reliable performance with minimal energy use.
MODERN MINIMALIST DESIGN - Sleek white rectangular shape with an 8-inch graphical backlit display that complements any contemporary workspace or home.
SEAMLESS AUTO CHANGEOVER - Automatically switches between heating and cooling modes, ensuring optimal comfort without lifting a finger.
EFFORTLESS CLIMATE CONTROL - Manual temperature adjustment with intuitive push-button and touch controls for precision comfort.

The Honeywell TH1100DV1000/U Pro 1000 is a modern, wall-mounted thermostat featuring manual temperature control via push-button and touch interface, an 8-inch backlit graphical display, and Wi-Fi connectivity. Its standout Auto Changeover feature automatically toggles between heating and cooling modes for seamless climate management, powered efficiently by 24 volts and requiring just 2 AAA batteries.

Specifications

Brand	Honeywell
Controller Type	Push Button
Special Feature	Auto Changeover
Colour	White
Temperature Control Type	Manual
Connectivity Technology	Wi-Fi
Power Source	Corded Electric
Item Weight	0.05 Kilograms
Voltage	24 Volts
Shape	Rectangular
Display Type	graphical
Screen Size	8 Inches
Control Type	Button Control
Control Method	Touch
Connectivity Protocol	Wi-Fi
Mounting Type	Wall Mount
Style	Modern
Backlight	Yes
Number of Batteries	2 AAA batteries required.
Item model number	TH1100DV1000/U
ASIN	B071X9DGHY

Have a Question? See What Others Asked

Can this be used on a 12v system?

Does this work on a gas fireplace with a 2 wire setup?

How do you program this thermostat? (honeywell pro 1000)

Does this work for 12v DC furnace for camper/travel trailers?

Common Questions

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Sorry, this item from our Hungary store is out of stock. We're restocking soon—check back or contact support for similar products.

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