The 120 volt Firex 4618 Pro Basic smoke detector has an ionization Sensor, quick connect power harness, is multi-station interconnectable, has a 5 year warranty, and is not available to members in Iowa, Oregon Or Vermont.Untitled Document .caption { font-family: Verdana, Helvetica neue, Arial, serif; font-size: 10px; font-weight: bold; font-style: italic; } ul.indent { list-style: inside disc; text-indent: 20px; } table.callout { font-family: Verdana, Helvetica, Arial, serif; margin: 10px; widt
3 thoughts on “Kidde i4618 Firex Hardwire Ionization Smoke Detector with Battery Backup”
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Replaces Firex 120-1072B Unit And Adds Improvements Too,
My home was built in 2001, and it was equipped with Firex 120-1072B units in each room wired for interconnectivity. One of my units began to sound randomly even when there was no fire. I tried changing the battery, but I still had the same results. So after searching online, I found that the Kidde i4618 is the current replacement model.
After purchasing the model, I was hoping that I could use an adapter between the wiring in my Firex unit and the Kidde. However, I found that I was mistaken in what I thought I had read. I am about as unhandy a man as they come, and I really wasn’t looking forward to rewiring for the new unit. The hardest part of the process turned out finding the correct breaker as mine are not labeled. At least for my house (please know that yours may well be different), the smoke detectors were on a dedicated breaker. Once I found it and switched it off, it was very easy from there. I removed the two screws from the bracket of the Firex unit and then uncapped the wires. The Firex wires were easy to remove. I rewired black, white, and red as indicated and put the yellow caps back on to cover the wires. Then it was a simple matter of screwing in the new mount, connecting the wire, and twisting the Kidde unit into place. Once I flipped the breaker back on, everything was back to normal.
There is one nice thing on these new units. The battery door is on the face of the unit rather than the back. The old Firex unit has the battery in the back, and it was a pain to replace the battery. Another nice improvement of the Firex unit is the power connector is much easier to plug and unplug without being insecure.
So if this is the replacement for your old Firex smoke alarm, don’t hesitate to get this one from Kidde. I’m pleased with the results, and I think you will be too. Please feel free to ask questions in the comments section below.
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Nice Detector but I’d buy the 21007582 instead,
If you’re looking to replace existing FireX detectors, I’d buy the i4618 detector in the Item 21007582 pack vice the 21007581 pack because it comes with the FireX to Kidde adapter KA-F. This makes your replacement a simple install and you don’t have to disconnect any wires.
All in all the “hush” button and easy install make this a thumbs up from me.
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Easy to install and gives great peace of mind,
We moved into a house that was built back in 1985. Along with a multitude of other little fixes and updates that needed doing, I noticed that the upstairs smoke detector was looking a little loose on the ceiling. Upon giving it a twist, the bracket broke, and the detector subsequently hung in a jaunty, festive way from just the wires. And I noticed that this was the ORIGINAL smoke detector, dated from 1985. Okay, there’s another thing needing replaced.
Installation was a breeze – cut the power, pull the old one, match the correct wires on the harness (white/white, black/black, red/red), screw in the new mounting bracket, plug it in, lock it in place, turn the power back on.
BZZZZZZZZZZZZZZZZZZZZZ / BEEEEEEEEEEEEEEEEEEEEP!
Oops! The 2010 model smoke detector didn’t want to play well with the other 1985 smoke detector that I hadn’t even noticed downstairs, and they were both going off simultaneously. Okay, swap that one out too, and… blissful silence, and a comforting green light shines from each one.
Trust me: if I could install this, ANYONE can install this. I can’t even hammer a nail straight.
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