Will it work with your system?
Works well with
- Phone control and scheduling
- Systems the maker's checker confirms
Check first if you have
- Line-voltage baseboard heat
- Millivolt gas heaters
What it controls
The Honeywell Home TH6320ZW2003 Smart Thermostat is a smart Wi-Fi thermostat. Its listing doesn't spell out which heating and cooling systems it supports, so run the maker's compatibility checker before you buy.
Power is where installs stall: the listing doesn't say whether it needs a C wire. C-wire options.
The listing doesn't state heat pump support; if you have an O/B wire, confirm with the maker before ordering. Heat pump wiring.
Connectivity: Z-Wave. It smartThings, Vera.
Not sure of your wiring? The wiring checker reads your system from the terminal letters and checks it against this model's statements.
Also on the listing: dimensions of 1.06 in (D) x 4.09 in (W) x 4.09 in (H), a weight of 1.6 ounces and a touch screen.
Compatibility and specs
These come from the maker's listing for this exact model; the source of each is marked. Anything the maker leaves out is marked not stated.
| Model number | TH6320ZW2003 | Retailer |
|---|---|---|
| Model name | TH6320ZW2003 | Retailer |
| Dimensions (seller) | 1.06"D x 4.09"W x 4.09"H | Retailer |
| Works with | SmartThings, Vera | Retailer |
| Features (seller) | Programmable | Retailer |
| Connectivity | Z-Wave | Retailer |
| Power | Ac/dc | Retailer |
| Voltage | 24 V | Retailer |
| Display | Touch Screen | Retailer |
| Mounting / installation | Wall Mount | Retailer |
| Batteries | 3 AA batteries required. | Retailer |
| Product weight | 1.6 ounces | Retailer |
| Material | Acrylonitrile Butadiene Styrene (ABS) | Retailer |
Strong points and weak points
Strong points
- Works with SmartThings, Vera
Weak points
- C-wire need not stated
- Needs Wi-Fi for smart features
Wiring and install notes
- Compatibility statements are the maker's own. Confirm with the maker's compatibility checker, turn the power off before wiring, and leave line-voltage and furnace work to a licensed electrician or HVAC technician.
Thermostats to compare it with
FAQ
Does the Honeywell Home TH6320ZW2003 Smart Thermostat need a C wire?
Does the Honeywell Home TH6320ZW2003 Smart Thermostat work with a heat pump?
Other smart thermostats with similar wiring
- Honeywell Home RTH9585WF1004/W Smart Thermostat
- Honeywell Home RTH9600WF Smart Thermostat
- Honeywell Home TH8321WF1001 Smart Thermostat
- ecobee EB-STATE6L-01 Smart Thermostat
All smart thermostats in one grid · Every Honeywell Home control listed
Our take
Suited to phone control and scheduling.
Where to get it
The link goes to this exact model's listing. Check that the box includes the trim plate or C-wire adapter you need, and confirm your wiring with the maker's compatibility checker before you order.
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