How to handle this maintenance item
- Test every alarm using its test button.
- Replace removable batteries on the schedule recommended by the alarm manufacturer.
- Replace any alarm that is expired or fails testing.
- Confirm alarms are installed where current local requirements call for them.
Safety note
Follow the alarm manufacturer and local fire-code requirements; sealed 10-year units should not be opened for battery replacement.
Follow the alarm manufacturer and local fire-code requirements; sealed 10-year units should not be opened for battery replacement.
Before you start
Use the equipment manual and model-specific instructions as the primary source. Shut off power, water or fuel only when the manufacturer procedure calls for it and you are comfortable identifying the correct control. Stop if the condition you find is different from what the guide describes.
When to bring in a professional
This task includes work that may require specialized tools, safe access, combustion/electrical knowledge or a qualified inspection. Use the steps above as the homeowner checklist and preparation guide, then hire the appropriate professional for the higher-risk portion.