Does it switch to heating automatically in winter and to cooling automatically in summer?

Auto Switch from Heat To Cool, YES, but the Auto Option may not be turned on. To Turn this Option ON Press & Hold the Fan and Temp Up button until the Display Changes. There will be a Function Number {1st #} and a Setting Number {2nd #} on the display, Press the Next button until you reach Function 12, Change the setting 0 to a 1, Press Done. By pressing the System button You should now have, Heat On/ Cool On/ AUTO / OFF. Still Confused go Here. https://forwardthinking.honeywellhome.com/related_links/thermostats/focuspro_5000/install/69_1922es.pdf

What is the overall dimension width and height? Is it possible to connect R or RC line to C to avoid batteries since it is same 24 Volt ?

The unit is 3.5 inches high and 4.5 inches wide. Our system is cooling only so we installed a jumper wire between R and Rc plus the 24 volt power line. We installed a separate line to C which, according to the instructions, is the common terminal. With this installation batteries are optional. I'm not an expert on this but we have had good luck with this installation. I hope this is helpful.

Is this easy to hook up easy direction to follow ?

Yes, it is fairly easy to hook-up if you follow the directions. Narrow it down to the section that matches your install. Mark down what color wires are on what terminals and their color on your existing thermostat before disconnecting the current thermostat.

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Honeywell TH5110D1006/U Non-Programmable Thermostat, Premier White

Product ID: 2111066

Details

Brand
Honeywell
Controller Type
Push Button
Model Name
Honeywell
Product Dimensions
1.5"D x 3.4"W
Special Feature
Programmable

📏1.5 sq in backlit display

🔋Dual power: battery & hardwire

⚙️1 Heat/1 Cool & Heat Pump compatible

250012CFA

Duties & taxes included

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔥 Stay cool, stay in control — the thermostat that means business! 📏

SLEEK COMPACT - Premier white curved design fits stylishly on any wall, blending function with modern aesthetics.
POWER FLEXIBILITY - Dual-powered design lets you choose battery or hardwired operation for uninterrupted comfort.
CRYSTAL CLEAR CONTROL - Large, backlit digital display ensures effortless temperature monitoring anytime.
EFFORTLESS MAINTENANCE - Easy-access battery door means quick replacements without hassle.
UNIVERSAL HVAC COMPATIBILITY - Seamlessly supports conventional and heat pump systems with no auxiliary heat needed.

The Honeywell TH5110D1006/U is a non-programmable thermostat featuring a large 1.5-inch backlit digital display for easy temperature reading. It supports 1 heat/1 cool conventional and heat pump systems, powered by either batteries or hardwired connection. Designed for straightforward manual control, it offers reliable HVAC compatibility and user-friendly maintenance in a sleek, premier white finish.

Specifications

ASIN	B000GGPMO2
Additional Features	Programmable
Backlight	Yes
Best Sellers Rank	#283,829 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #106 in Home Nonprogrammable Thermostats
Brand Name	Honeywell
Color	Premier White
Connectivity Protocol	Wi-Fi
Connectivity Technology	Wired
Control Method	App
Control Type	Button Control
Controller Type	Push Button
Customer Reviews	4.5 4.5 out of 5 stars (3,109)
Display Type	Digital
Global Trade Identification Number	00085267256988
Included Components	Mounting bracket
Item Dimensions D x W x H	1.5"D x 3.4"W x 4.5"H
Item Type Name	Non-Programmable Thermostat
Item Weight	7.04 ounces
Manufacturer	Honeywell
Manufacturer Part Number	TH5110D1006
Material Type	Plastic
Model Name	Honeywell
Model Number	TH5110D1006/U
Mounting Type	Wall Mount
Number of Batteries	2 AA batteries required.
Power Source	Battery Powered
Product Style	Thermostat
Screen Size	1.5 Inches
Shape	Curved
Smart Home Compatibility	Not Smart Home Compatible
Specific Uses For Product	Heat Pump
Specification Met	energy
Temperature Control Type	Manual
UPC	640970730981 194159002890 085267256988 384929206119
Unit Count	1.00 Count
Voltage	30 Volts

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