Will it work with your system?
Works well with
- A weekly schedule without an app
- Older wiring without a C wire
Check first if you have
- Phone or voice control
- Line-voltage baseboard heat
What it controls
The Honeywell Home TH8320R1003 Programmable Thermostat is a programmable. Its listing doesn't spell out which heating and cooling systems it supports, so run the maker's compatibility checker before you buy.
On power, the listing doesn't say whether it needs a C wire. What a C wire does.
The listing doesn't state heat pump support; if you have an O/B wire, confirm with the maker before ordering. Heat pump wiring.
Stages, per the maker: up to 3 Heat / 2 Cool. Compare that with the W2 and Y2 wires at your wall. Reading stages from your wires.
Power, per the listing: Battery Powered. Battery models often fit old two-wire circuits with no C wire.
Tick your terminals in the wiring checker to see whether its maker's statements cover your system.
Also on the listing: dimensions of 2.5 in (D) x 5.2 in (W) x 6.2 in (H), a weight of 16 ounces and a 10 sq.in. lcd.
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 | TH8320R1003 | Retailer |
|---|---|---|
| Model name | TH8320R1003 | Retailer |
| Dimensions (seller) | 2.5"D x 5.2"W x 6.2"H | Retailer |
| Works with | Android | Retailer |
| Features (seller) | special_feature | Retailer |
| Connectivity | Wireless | Retailer |
| Power | Battery Powered | Retailer |
| Voltage | 24 | Retailer |
| Display | 10 sq.in. LCD | Retailer |
| Mounting / installation | Wall Mount | Retailer |
| Batteries | 4 AA batteries required. | Retailer |
| Product weight | 16 ounces | Retailer |
| Heat / cool stages | up to 3 Heat / 2 Cool | Retailer |
Strong points and weak points
Strong points
- Power: Battery Powered
- No Wi-Fi or account needed
Weak points
- No remote control
- Systems not stated
- Batteries to replace
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 TH8320R1003 Programmable Thermostat need a C wire?
What systems does the Honeywell Home TH8320R1003 Programmable Thermostat work with?
Other programmable and basic thermostats with similar wiring
- Honeywell Home TH8110R1008 Programmable Thermostat
- Honeywell Home RTH8500D1013/E1 Programmable Thermostat
- Emerson 1F97-1277 Programmable Thermostat
- Honeywell Home CT33A1009/N Millivolt Thermostat
All programmable and basic thermostats in one grid · Every Honeywell Home control listed
Our take
A fit for A weekly schedule without an app.
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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