The answer to 'how to replace smoke detector' is to replace smoke detectors every 10 years, or as recommended by the manufacturer. Smoke detectors are essential for home safety, so it's important to keep them in working order. Here are the steps to replace a smoke detector:
First, turn off power to the smoke detector at the circuit breaker. Then, remove the old detector from the mounting bracket by twisting it counterclockwise. Disconnect the wires and remove the detector. Install the new smoke detector by connecting the wires and securing it to the mounting bracket. Finally, turn the power back on and test the new smoke detector to ensure it's working properly.