Replacing Hard Wired Smoke Alarms

You can replace hard wired smoke detectors yourself if you can reach them and if you re skilled enough to replace a light fixture.

Replacing hard wired smoke alarms.

Hardwired smoke detectors use a backup battery in case of a power outage. If you purchase a smoke alarm from the same manufacturer you might be able to use the same wiring harness. Replacing a hardwired smoke alarm is a piece of cake. Therefore the procedure should be done with caution and thorough attention.

The model has been discontinued and the adapter plug at the end of the wiring harness doesn t. Most hard wired smoke detectors have a connection from the electrical wires to the smoke detectors that engages and disengages. Photo by paul shepherd get quotes from up to 3 pros. The detector begins to chirp to let your know the power is not on.

Replacing a hardwired smoke detector requires removing the battery. If your old alarms are connected to three wires as shown here that means the alarms are interconnected when one alarm detects smoke they all howl. You simply disconnect the existing smoke alarm and pop in the new one. I have several 10 year old firex hardwired smoke alarms in my home that i d like to replace.

Replacing your hard wired smoke detector means you re about to handle electrical work. If possible refer to your smoke detector s user manual. If you run into additional questions or are unsure about something seek confirmation before continuing the task. It s like a plug.

You can do this too. New alarms are inexpensive. When you disconnect the power to the circuit breaker the battery power takes over. Otherwise hire a security system company or electrician.

This connection makes it simple to replace bad or.