HEATIT ET-21 Freeze Thermostatically Controlled Outlet On at 38F /Off at 50F ET-24 1PCS
HEATIT ET-21 Freeze Thermostatically Controlled Outlet On at 38F /Off at 50F ET-24 1PCS
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About This
- Thermostat control outlet with the smart indicator light: The indicator light turns on when it's below 38℉ and it has energized the outlet.
- Energize below 38℉(3℃) and to turn off automatically at approximately 50℉(10℃). Automatically turns power on and off according to ambient temperature. Save energy and save money.
- Easy installation: just plug this device into electrical outlet. Maximum 15 amps. ETL approved. Only for dry location.
- Can be use for other applications: 120 VAC electric heaters, gas heater, Engine heaters, pipe heat tape, roof heating cable and so on.
- Make a test when you received the product. Put it into the freezer for 45 minutes can RESET it. And then plug in and you will see the red light on the thermostat control.
Overview
- Color : Et-24
- Brand : HEATIT
- Voltage : 120 Volts
- Material : Plastic
- Item Weight : 0.09 Kilograms

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SMART HOME FAQ
Yes — many modern devices support multiple platforms.
Matter-certified devices can work across Alexa, Google Home, and Apple HomeKit at the same time.
Not always.
Smart bulbs, plugs, cameras, and video doorbells are often easy DIY installations, while full security systems may need professional setup.
Many devices still work manually or through local control.
You may lose remote app access, but locks, lights, and thermostats often continue basic functions.
Security depends on the device and setup.
Use strong passwords, trusted brands, firmware updates, and secure Wi-Fi for better protection. Privacy and unauthorized access are common concerns in smart homes.
Most homeowners start with:
Smart Security Cameras
Smart Door Locks
Smart Thermostats
Smart Plugs
Video Doorbells
Yes.
Smart thermostats and smart plugs help reduce wasted energy by automating heating, cooling, and power usage.
It depends on your ecosystem.
Alexa → widest compatibility
Google Home → strong for Android users
Apple HomeKit → best privacy
Home Assistant → advanced control
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