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 TH6210U2001 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.
Check your wall for a C terminal: the listing doesn't say whether it needs a C wire. The C wire guide covers adapters.
The maker states heat pump support ("neywell TH6210U2001/U T6 Pro Programmable Thermostat, 2 Heat / 1 Cool Heat Pump Or 1 Heat "), so it can drive an O/B reversing valve. What a heat pump needs from a thermostat.
Stages, per the maker: 2 Heat / 1 Cool. Compare that with the W2 and Y2 wires at your wall. Reading stages from your wires.
Schedule: Programmable. A schedule only saves energy if it's set; spend five minutes on it after installing.
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 1.14 in (D) x 4.07 in (W) x 4 in (H), a weight of 12 ounces and a digital.
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 | TH6210U2001 | Retailer |
|---|---|---|
| Model name | MDL 19 WALL FCT C INLET 12 | Retailer |
| Dimensions (seller) | 1.14"D x 4.07"W x 4"H | Retailer |
| Works with | Push Button | Retailer |
| Features (seller) | Programmable, Temperature Display | Retailer |
| Connectivity | Wi-Fi | Retailer |
| Power | Battery Powered | Retailer |
| Voltage | 24 V | Retailer |
| Display | Digital | Retailer |
| Mounting / installation | Wall Mount | Retailer |
| Batteries | 2 AA batteries required. | Retailer |
| Material | Plastic | Retailer |
| Product weight | 12 ounces | Retailer |
| Heat / cool stages | 2 Heat / 1 Cool | Retailer |
| Heat pump support | neywell TH6210U2001/U T6 Pro Programmable Thermostat, 2 Heat / 1 Cool Heat Pump Or 1 Heat / 1 Cool Conventional | Retailer |
| Schedule | Programmable | Retailer |
Strong points and weak points
Strong points
- Programmable
- Power: Battery Powered
- No Wi-Fi or account needed
- Heat pump support stated
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 TH6210U2001 Programmable Thermostat need a C wire?
What systems does the Honeywell Home TH6210U2001 Programmable Thermostat work with?
Other programmable and basic thermostats with similar wiring
- Honeywell Home RTH7500D Programmable Thermostat
- Resideo T6 Pro Programmable Thermostat
- Honeywell Home TH6100AF2004 Programmable Thermostat
- Honeywell Home RTH6350 Programmable Thermostat
All programmable and basic thermostats in one grid · Every Honeywell Home control listed
Our take
Shortlist it 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.
Each button opens this exact model. We may earn a commission on tracked links; it never changes what we publish. Disclosure