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CO Detector Batteries Bi-Annual

How to Replace a Carbon Monoxide Detector Battery

Carbon monoxide (CO) is a silent killer. Ensuring your detectors have fresh batteries and haven't expired is absolutely vital for homes with gas appliances or attached garages.

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Why It Matters

Learn how to replace carbon monoxide detector batteries safely, test the detector afterward, and follow the manufacturer's instructions.

Before You Start

  • Confirm the detector uses replaceable batteries.
  • Use the battery type specified by the manufacturer.
  • Never disable a functioning carbon-monoxide detector because of nuisance alarms.

Step-by-Step Guide

1

Locate the detector and check its battery type.

2

Remove the detector or battery compartment according to the instructions.

3

Replace the battery with the correct type.

4

Close the compartment securely.

5

Press the test button.

6

Confirm the detector produces the expected alarm signal.

7

Record the battery replacement date.

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Common Mistake to Avoid

Rushing through the process or using the wrong tools. Always use appropriate gear and follow recommended guidelines.

Frequently Asked Questions

Where should CO detectors be placed?

Unlike smoke (which rises), carbon monoxide mixes evenly with the air. They can be placed at any height (plug-in or ceiling mounted) but should be near sleeping areas and on every level of the home.

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