Will it work with your system?
Works well with
- A weekly schedule without an app
- Furnace and central air systems
Check first if you have
- Phone or voice control
- Line-voltage baseboard heat
What it controls
The Cadet 08121 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 listing doesn't state heat pump support; if you have an O/B wire, confirm with the maker before ordering. Heat pump wiring.
Power, per the listing: Electric.
Tick your terminals in the wiring checker to see whether its maker's statements cover your system.
Also on the listing: a weight of 113 g and a manual.
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 | 08121 | Retailer |
|---|---|---|
| Model name | White Single Pole Thermostat | Retailer |
| Works with | Touch | Retailer |
| Features (seller) | Touch Control | Retailer |
| Connectivity | Wired | Retailer |
| Power | Electric | Retailer |
| Display | Manual | Retailer |
| Mounting / installation | Wall Mount | Retailer |
| Material | Plastic | Retailer |
| Product weight | 113 g | Retailer |
Strong points and weak points
Strong points
- Power: Electric
- No Wi-Fi or account needed
Weak points
- No remote control
- Systems not stated
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 Cadet 08121 Programmable Thermostat need a C wire?
What systems does the Cadet 08121 Programmable Thermostat work with?
Other programmable and basic thermostats with similar wiring
- Heagstat H725 Programmable Thermostat
- LUX PSP511LC Programmable Thermostat
- Honeywell Home RTH20B Programmable Thermostat
- Honeywell Home RTH2510B1018 Programmable Thermostat
All programmable and basic thermostats in one grid · Every Cadet 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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