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 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. For more information about this device, refer to First Alert’s website.

Uninstall your Nest Protect

Wired Nest Protect

Important: For your safety, turn off the power at the breaker box before touching any electrical wiring.

1. Turn Protect counterclockwise to disconnect it from its backplate.
2. Unplug the 120 V connector from the back of Protect.
3. Unscrew the backplate.

Learn to:

• Properly dispose of your Nest Protect
• Remove your device from your Google Account

Battery-powered Nest Protect

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

Learn to:

• Properly dispose of your Nest Protect
• Remove your device from your Google Account

Set up your replacement device

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