CO-220 English Instruction Sheet
Installing and Replacing the Battery
5
4
Screw
Battery Door
Battery, 9 V NEDA or IEC 6LR61, or equivalent
Battery Connector
Sensor
Common Sources of CO
Common sources of potentially dangerous levels of CO are:
Poorly maintained furnaces, gas heaters, or fireplaces.
Dirty or plugged chimneys, or flue exhausts.
Poorly maintained gas, oil, or kerosene appliances.
Internal combustion engines (e.g., automobiles,
lawnmowers, blowers).
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