T21 Programmable Thermostat for Home, Digital Thermostat 1 Heat/1 Cool Compatible with Heat Pump and Single-Stage Systems, Dual Power Options Battery-Powered No C-Wire Required
US$9.12
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US$9.12
Price when purchased online
Free shipping
Free 30-day returns
Sold and shipped by www.libaus.com.au
Free 30-day returns Details
Product details
| Management number | 250167938 | Release Date | 2026/09/17 | List Price | US$9.12 | Model Number | 250167938 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
- 【Wide Compatibility】This household thermostat supports single-stage heating and cooling systems, heat pumps without auxiliary heating, hydronic heating, boilers, gas fireplaces (24V), and 750 millivolt systems. Works seamlessly with gas, electric, and oil furnaces. Note: Before making a purchase, please ensure that the product description match your existing thermostat (verify that the base supports only 2 to 5 wires).
- 【Dual Power Options】It offers dual power options, operating via 24VAC or 2 size AA batteries, and requires no C-wire when battery-powered. For optimal performance and stability, it is highly recommended to connect the C-wire when using the product，which also eliminates the need for frequent battery changes. Not Compatible: Heat pump with auxiliary or emergency heat, Dual fuel/hybrid heating, Electric baseboard heat (110-240 volts), Line voltage, Convectors, Radiant-ceiling heat, Mini split systems and 12V RV systems.
- 【User-Friendly Appearance Design】The cover cleverly conceals and protects some of the setting buttons and the battery slot, effectively preventing accidental program activation and related safety issues. It also features an easy-to-read backlight LCD screen with options to display temperatures in Fahrenheit or Celsius, making it simple and adaptable for all users.
- 【Memory Retention】This household thermostat preserves your custom settings during power outages, ensuring consistent comfort without the need for reprogramming.
- 【5+2 Programmable】Easily customize your weekly schedule with the 5+2 programming feature. Set different heating or cooling settings for weekdays and weekends to match your lifestyle and save energy effortlessly. Perfect for maintaining comfort and efficiency throughout the weeks.
- 【Easy DIY Installation】This digital thermostat is designed for quick, hassle-free setup. A detailed manual ensures smooth installation, making it perfect for DIY users upgrading the home system.
| ASIN | B0DXKDSW7L |
|---|---|
| Color | White |
| Brand Name | SASWELL |
| Model Name | T21STK-2 |
| Unit Count | 1 Count |
| Display Type | LCD |
| Manufacturer | SASWELL |
| Model Number | T21STK-2 |
| Power Source | Battery Powered, Hardwired (24VAC) |
| Mounting Type | Wall Mount |
| Product Style | 1H/1C |
| Control Method | App, Touch |
| Controller Type | Push Button |
| Additional Features | Programmable |
| Included Components | Temperature Sensor |
| Connectivity Technology | Hardwired (24VAC) |
| Temperature Control Type | programmable |
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