Can this be used for a gas insert fireplace?

Yes, it is a millivolt thermostat. It takes two wires from the gas fireplace. There is a safety strip you have to remove to activate the thermostat.

Is this setup to handle AUX heat?

Hi Gilbert, this is a millivolt thermostat that can control a single stage heat only system. You can contact our tech support team at (800) 468-1502 or through social media and we will be happy to recommend you a thermostat compatible with Aux heat. - Maria

Is the off position really off, or just the lowest setting?

Hi Chris, thank you for reaching out! The Off system setting at the thermostat will ask the HVAC system to go off. If you need further assistance, contact us at 1-800-468-1502, or through Facebook and Twitter under Honeywell Home.- Charlie

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Economy Millivolt Non-Programmable Thermostat, White

Product ID: 24004661

Details

Brand
Honeywell Home
Controller Type
Hand Control
Model Name
CT33A Economy
Product Dimensions
0.88"D x x
Special Feature
Low Voltage

⚡750 mV power source

📏Compact 3.12" x 3.12" size

🎛️Intuitive dial control

945338₫

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Description

🔥 Dial into comfort with Honeywell’s no-fuss heat control! 🎛️

EFFORTLESS HEATING CONTROL - Simple dial interface for precise temperature adjustments without the hassle of programming.
PLUG AND PLAY INSTALLATION - Wired connectivity and included hardware make setup quick and hassle-free—get cozy faster.
SLEEK SPACE SAVVY DESIGN - Compact 3.12" square footprint fits seamlessly on any wall, blending traditional style with modern minimalism.
TRUSTED HONEYWELL RELIABILITY - Backed by a 4.3-star rating and Honeywell’s legacy, this thermostat guarantees consistent performance.
ENERGY SMART MILLIVOLT TECHNOLOGY - Operates on a low 750 mV power source, ensuring efficient heating with minimal energy waste.

The Honeywell Home CT33A1009 is a non-programmable, millivolt heat-only thermostat featuring a compact, wall-mounted design with a user-friendly dial control. Powered by a low 750 mV source, it offers reliable, energy-efficient heating control ideal for traditional heating systems. With wired connectivity and included mounting hardware, it ensures straightforward installation and trusted Honeywell durability.

Specifications

ASIN	B000FPCERM
Additional Features	Low Voltage
Best Sellers Rank	#24,879 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #17 in Home Nonprogrammable Thermostats
Brand Name	Honeywell Home
Color	White
Connectivity Protocol	Wired
Connectivity Technology	Wired
Control Method	Touch
Control Type	Dial Control
Controller Type	Hand Control
Customer Reviews	4.3 4.3 out of 5 stars (635)
Display Type	Digital
Finish Types	Matte
Global Trade Identification Number	00085267262439
Included Components	Hardware;Cabinet Hardware;shelf-brackets
Item Dimensions D x W x H	0.88"D x 3.12"W x 3.12"H
Item Type Name	Non-Programmable Thermostat
Item Weight	2.4 ounces
Manufacturer	Honeywell Home
Manufacturer Part Number	CT33A1009
Material Type	Plastic
Model Name	CT33A Economy Millivolt
Model Number	CT33A1009/E1
Mounting Type	Wall Mount
Number of Items	1
Power Source	750 mV
Product Style	Traditional
Screen Size	7.3 centimeters
Shape	Rectangular
Specific Uses For Product	Millivolt Heating
Temperature Control Type	Heating
UPC	085267262439
Unit Count	1 Count
Voltage	750 Millivolts

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TrustScore 4.5 | 7,300+ reviews

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945338₫

Duties & taxes included

In stock

Sold byAmazon VietnamDelivered 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 Vietnam.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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