How to change batteries

You should be able to remove the thermostat off the wall and change the batteries in the back.

is screen size large or std?

The screen size is 2 inches wide and 1.5 inches in height.

what would cause the thermostat to constantly click?

Possible causes could be low batteries, dirty or broken contacts, wiring faults, or compatibility problems with your HVAC system.

Is this for heat and A/C?

This is for a heatpump system only. Not a standard A/C + heat coils.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Honeywell TH5110D1022 Non Programmable Thermostat

Product ID: 437242823

Details

Brand
Honeywell
Colour
White
Controller type
Push Button
Model name
TH5110D1022
Special features
Auto

⚡30V power for reliable performance

🔧Factory calibrated, no setup hassle

🖥️Clear LCD backlight display

S$145

Duties & taxes included

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Description

🌡️ Stay cool, stay warm, stay ahead—comfort control made simple.

SMART REMOTE SENSING - Supports remote temperature sensing with PC8900 control panel for next-level comfort.
SEAMLESS COMPATIBILITY - Works flawlessly with 24 VAC conventional, heat pump, and 750 mV heating systems for versatile use.
USER FRIENDLY INTERFACE - Intuitive push-button control paired with a crisp backlit LCD ensures easy adjustments anytime.
EFFORTLESS PRECISION CONTROL - Factory calibrated for instant, accurate temperature management—no fiddling required.
ENERGY SAVVY AUTO CHANGEOVER - Automatically switches between heating and cooling modes to optimize energy use and comfort.

The Honeywell TH5110D1022 is a US-made, non-programmable digital thermostat designed for precise temperature control across multiple HVAC systems. Featuring factory calibration, a backlit LCD, and remote sensing capabilities, it offers hassle-free installation and reliable performance with energy-efficient auto changeover.

Specifications

ASIN	B005XNFNHO
Additional Features	Auto Changeover
Backlight	Yes
Best Sellers Rank	#13,544 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #55 in Home Thermostats & Accessories
Brand Name	Honeywell
Color	White
Connectivity Protocol	Wired
Connectivity Technology	Wired
Control Method	Remote
Control Type	Button Control
Controller Type	Push Button
Customer Reviews	4.4 4.4 out of 5 stars (236)
Display Type	LCD
Global Trade Identification Number	00085267257008
Included Components	Unit^Instruction Guide
Item Weight	7.7 Ounces
Manufacturer	Honeywell
Manufacturer Part Number	TH5110D1022
Model Name	TH5110D1022
Model Number	TH5110D1022
Mounting Type	Wall Mount
Number of Batteries	1 AAA batteries required.
Power Source	Battery Powered
Product Style	Programmable
Shape	Rectangular
Specific Uses For Product	Heat Pump
Temperature Control Type	Digital (Heating and Cooling)
UPC	085267257008
Unit Count	1 Count
Voltage	30 Volts

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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S$145

Duties & taxes included

In stock

Sold byAmazon SINGAPOREDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to SINGAPORE.

Secure transaction

ProDesertcart PRO

Fast, free shipping, member pricing & priority support.

Join PRO →

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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