How to replace your Nest Protect after expiration

To meet certification standards, 2nd gen Nest Protect must be replaced after 10 years from the date of manufacture. When you’ve determined that your device needs to be replaced, you’ll need to select a replacement device, uninstall your Nest Protect, and set up your replacement device.
Learn more about when to replace your Nest Protect.

Select a replacement device

We've partnered with First Alert, a trusted brand in fire safety, to offer the First Alert Smart Smoke & Carbon Monoxide Alarm as a compatible replacement for your 2nd gen Nest Protect when used with the Google Home app. You can learn more about this device on First Alert’s website.

Important: First Alert Smart Smoke and Carbon Monoxide Alarm requires the Google Home app to work with your other Nest Protect devices.

Uninstall your Nest Protect

Wired

Turn off the power at the breaker box.
Turn Protect counterclockwise to disconnect it from its backplate.
Unplug the 120 V connector from the back of Protect.
Unscrew the backplate.

Battery powered

Turn Protect counterclockwise to disconnect it from its backplate.
Unscrew the backplate.

Learn how to properly dispose of Nest Protect and remove Nest Protect from your account in the Nest app in our help center.

Set up your replacement device

After you uninstall your Protect, follow your new smoke or CO alarm's manual to install it. Learn more about how to set up your First Alert Smart Smoke and Carbon Monoxide Alarm.

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How to replace your Nest Protect after expiration

Select a replacement device

Uninstall your Nest Protect

Set up your replacement device

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