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It depends on the device but 5-7 years seems like the max with some as short as 2 years. The gas sensors in CO alarms have a limited and indeterminable life span, typically two to five years. T...
Answer
It depends on the device but 5-7 years seems like the max with some as short as 2 years. The gas sensors in CO alarms have a limited and indeterminable life span, typically two to five years. T...