Honeywell T3 Pro Thermostat 2H/1C 24V or Battery Powered Non-Programmable HVAC

SKU: TH3210U2004

Weight	1.5 lbs
Dimensions	8 × 8 × 8 in

$107.62

In stock — available to order.

Sold individually. Each quantity ordered is one unit. Kits are one complete kit; products sold by length use the stated length unit.

Same-item volume pricing

Quantity	Unit price	Saving
1–4	$107.62	0%
5–9	$102.24	5%
10+	$96.86	10%

Estimate for this quantity before shipping. Tax display follows store settings. Existing cart quantities can increase the tier. Only one offer applies; a coupon replaces automatic pricing. For 20+ units, contact support for a quote.

Available to order.

Bulk quantity & quote

Quantity needed

Enter the total quantity you need. We will confirm availability and a quote before you order.

Need a firm ship date? Availability may include supplier stock. Confirm availability before ordering for time-sensitive work.

Honeywell T3 Pro Thermostat 2H/1C 24V or Battery Powered Non-Programmable HVAC

Specifications & product details

Overview

Honeywell T3 Pro Thermostat – MFG# TH3210U2004 – 2H/1C Heat Pump or Conventional SystemsSimplify your HVAC control system with the Honeywell T3 Pro Thermostat, engineered for ease of use and fast installation. This model supports 2-stage heating / 1-stage cooling (2H/1C) systems, including heat pump and gas furnace configurations, making it an ideal fit for residential and light commercial HVAC applications.The large 3.86″ x 3.94″ x 1.06″ LCD display with backlight allows for quick temperature readings and setting adjustments. Terminal designations include RC, R, C, W-O/B, E, AUX, Y, G, K, ensuring compatibility with a wide range of wiring systems.Power it your way – either with 24V hardwired power or two AAA batteries (battery backup supported). The unit supports Auto-On fan switching, emergency heat mode, and offers clear, intuitive functionality for users who prefer a non-programmable thermostat.Key Specs:Heat-Off-Cool-Emergency Heat System ControlFan: Auto-On2 Heat / 1 Cool StagingWorks with Heat Pump or Conventional HVACLow Voltage (24V) or Battery OperatedDual Fuel System CompatibleModel: T3 Pro | MFG#: TH3210U2004 | REM#: 1C110Great for contractors and facility managers seeking dependable thermostat performance in gas, electric, or dual-fuel HVAC systems.

Product details

Part / SKU	TH3210U2004

Package includes

Honeywell T3 Pro Thermostat 2H/1C 24V or Battery Powered Non-Programmable HVAC

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.

Compatibility & part-number help

Match the manufacturer part number and equipment model to the listing. Check connection sizes, fuel type, pressure or capacity, voltage and dimensions where applicable. A similar appearance or part number alone does not confirm compatibility.

For help, send a parts inquiry with the part number, equipment model, label photos and quantity. Manufacturer documents and item-specific information, when supplied, are in the product details above.

Shipping & availability

Availability may include our inventory and supplier sources. Listed stock does not by itself confirm immediate dispatch. Ask us to confirm a ship date before ordering for time-sensitive work.

Shipping methods and charges appear at checkout where available. Freight, oversized and specially handled items may require a quote. See our Shipping Policy for processing periods, restrictions and delivery information.