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Kidde Pe120 Photoelectric Smoke Alarms 6-nib Questions & Answers
Schematic for a Kidde model KN-COSM-IB
Three things about this:
1 It may be under recall depending on its age and if it is over 10 years old, replace it.
2. The unit has a radio active source and should not be tampered with.
3. The information that you are asking for is proprietary and not available.
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