EST. 2002
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Lyric T6 Pro Wi-Fi Programmable Thermostat with stages up to 3 Heat/2 Cool Heat Pump or 2 Heat/2 Cool Conventional with Ventilation

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(27 Reviews)

Honeywell TH6320WF2003

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Homeowners want a connected home experience that streamlines and simplifies. The new Lyric T6 Pro Wi-Fi will fit their needs to a T. It’s easy to use, easy to love, and easy for your techs to install and set up. Homeowners are asking for and adopting home automation technologies, and the Lyric T6 Pro Wi-Fi enables you to offer a simple solution that’s integration-ready.

Simple functionality

Interact at the wall or on the app

Installers and homeowners can choose to do setup and scheduling at the wall like a traditional thermostat, or they can use the new and improved Lyric app.

Super-simple homeowner hand-off

Installers can use the Lyric app to send customers a personalized email that invites them to complete the Wi-Fi connection process on their own.

Optional ventilation control

The Lyric T6 Pro Wi-Fi is available with optional ventilation control and dual fuel capabilities for residential new construction projects that need to meet the ASHRAE 62.2 standard.

Smart features

Flexible comfort control

Homeowners can program a schedule or use location-based control with geofence technology, which uses their smartphone location to save energy when they’re away and make the home comfortable when they return.

Ecosystem integration partnerships

The Lyric T6 Pro Wi-Fi seamlessly integrates with Apple® HomeKit™ and Amazon Echo® for customers who want to control all their smart home devices from a single app. L


Electrical Rating
20 to 30 Volts AC
Operating Humidity Range
5 - 90 % RH
Dimensions (LxWxH)
4-1/16 in. long x 4-1/16 in. wide x 1-3/32 in. deep in.
Supply Voltage
20 - 30 Vac
Switch Positions (System)
Switch Positions (Fan)
Stages of Heat

The number of terminals on the thermostat that can be used to individually control separate heating functions. Many furnaces that are called two stage heaters will require at least a two stage thermostat to operate appropriately. You may also choose a multiple stage thermostat when pairing different heating equipment. Such as a heat pump and a furnace.

Stages of Heat
2 3 w/ Heat Pump

Interactive, touch-sensitive display screen.

Stages of Cool

The number of terminals on the thermostat that can be used to individually control separate cooling functions. Some of the higher efficiency air conditioners and heat pumps are designed to use multiple stages of cooling.

Stages of Cool
Programming Days

The number days per week that the thermostat will be able to individually program. Ex. a 5,1,1 programmable thermostat will have the same program settings on Monday-Friday and will be able to individualize the programming on Saturday and Sunday. A 7 day programmable thermostat will be able to set a different programming schedule for each day of the week.

Programming Days
1 Day , 5 1 1 , 5 2 , 7 , Geolocation or Non-Programmable
Use with Heat Pump

Indicates that this thermostat is compatible with heat pumps.

Use with Heat Pump
Power Method

Indicates if the thermostat operates electrically on batteries or power from the furnace/air handler.

Power Method
Temperature Range

The minimum and maximum temperatures on the thermostat.

Temperature Range
40 - 90 °F

Resilient Mounting - Sometimes called rubber or hub mounted - motor shell is isolated from base by vibration absorbing material, such as rubber rings on the end shields, to reduce transmission of vibration to the housing of the unit or appliance. Stud Mounting - Motor has bolts extending from from front or rear, by which it is mounted. Often used on small, direct drive fans and blowers.

UWP Mounting Sytem
Use with Gas/Oil

Indicates that this thermostat can be used with either a gas furnace or oil furnace.

Use with Gas/Oil
Backlit Display

Allows easier viewing of disply screen in the dark.

Backlit Display


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