The answer to 'how to replace carbon monoxide detector' is to replace the unit every 5-7 years or when the manufacturer recommends. Carbon monoxide detectors have a limited lifespan and can become less effective over time. Replacing the detector is important to ensure your home remains safe and protected.
Before replacing the detector, make sure to turn off power to the circuit at the circuit breaker. Then, remove the old detector from the wall or ceiling and disconnect any wiring. Install the new detector in the same location, following the manufacturer's instructions for proper placement and wiring. Once the new detector is in place, restore power and test the unit to ensure it's working properly.