Model # 21007581

Internet #202029419

Store SKU #343598

Store SO SKU #198092

FireX Hardwired 120-Volt Inter-Connectable Smoke Alarm with Battery Backup
0047871075812

FireX

Hardwired 120-Volt Inter-Connectable Smoke Alarm with Battery Backup

  • Easy to install
  • Access to the battery is well designed
  • Battery backup
$14.97 /each

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Product Overview

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FireX i4618 alarm is a 120V hardwire smoke alarm and battery back-up feature. Utilizes ionization technology that may detect fast flaming fires sooner than photoelectric. Install this alarm in your home to provide you and your family an early warning in the event of a fire. Battery back-up feature provides protection even during power outages and the smart hush feature will silence false alarms.

  • Front loading battery feature for easy battery change, no need to remove the alarm from the ceiling
  • Test/reset button allows you to check on the sensor's functionality and cease false alarms
  • 9-Volt battery backup provides protection during power outages
  • Pre-stripped wiring harness with easy off cap provides easy access to wiring components
  • Inter connectable feature with up to 24 devices of which 18 can be initiating
  • Unit is equipped with piezoelectric horn that is rated at 85 dB at 10 ft.
  • 9-Volt battery (21025830)
  • Click here for more information on Electronic Recycling Programs

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Customer Questions & Answers

how do I stop the beeeping?

I have changed the batteries and tested, but the main detector will not quit beeping.
Asked by: Diane
I have 6 alarms (16 yrs. old) and all show a green light but DO NOT go off. So to contradict DrGK even if the light is green you should test them with smoke.
Answered by: MrMG
Date published: 2017-01-13

does this smoke alarm have to be connected to electricity to work?

does this smoke alarm have to be connected to electricity to work?
Asked by: kat
No. It can function on a battery only.
Answered by: Rafael
Date published: 2017-02-12

How often dohardwire smoke alarms have to be replaced

We have 3 hardwire smoke alarms /in our house and want to replace them with updated ones. How often do they have to be replaced?
Asked by: Mary
They say 10-years, but I have never had them last more than 3-years.
Answered by: Woodsies
Date published: 2017-01-10

Battery cover will not close all the way

I replaced my battery and now the cover will not close all the way and there is no green light, only a red light. I put in brand new 9V batteries. I had no problems opening it and the cleaned the unit. Help!!
Asked by: momtryingtofixit
I just did this to one of mine. The battery has to be seated properly, all the way flush into the battery compartment so the sliding door will close. I also noticed I can't close the battery access door if there is no battery installed! Probably a safety feature to show you there's no battery in the unit!
Answered by: surayabay
Date published: 2017-01-20
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Customer Reviews

Hardwired 120-Volt Inter-Connectable Smoke Alarm with Battery Backup is rated 4.2 out of 5 by 243.
Rated 1 out of 5 by from If you're replacing old ones they will not match even though it looks the exact same. You will ne... If you're replacing old ones they will not match even though it looks the exact same. You will need to replaced the wiring connector and the ceiling mount. Why the heck they did this baffles me, I'm getting a different brand just because of this. They do sell a connector separately though that will help but they should give it to you since it was their dumb decision to change it up.
Date published: 2017-01-08
Rated 5 out of 5 by from If you have the old FireX, you will need to change to the new wire harness included. And for safe... If you have the old FireX, you will need to change to the new wire harness included. And for safety, Put in a new battery. As one is included, but mine was weak. Note: Turn off electric, as these Have AC current to them. Also if you have multiple alarms, Hold down button on alarm after install till it sets off all alarms. Then release. This will ensure they are all good.
Date published: 2017-01-03
Rated 5 out of 5 by from I love the battery replacement feature. You open the sliding door and then pop the battery out an... I love the battery replacement feature. You open the sliding door and then pop the battery out and then slide the new one back in and shut the door. It takes less than a minute to change it when needed. The older model, you had to remove the smoke detector from the ceiling mounting bracket and then pry open a door. Then you had to pry the battery from the 9V connector. And if you have done that before it can be frustrating. Another nice feature is the silence mode which when activated gives you 12 hours of silence. How many times our older model would start chirping in the middle of the night when the battery needed to be changed. The only way was to get out the ladder and change the battery or remove it until you got the new battery installed. I had 6 units and it took me less than an hour to change them all out.
Date published: 2016-12-06
Rated 4 out of 5 by from Purchased (2) units as direct replacements for previously installed FireX alarms. Pretty simple. ... Purchased (2) units as direct replacements for previously installed FireX alarms. Pretty simple. Just needed to change out old wiring harness and reconnect new with wire nuts. Unfortunately, one of the replacement units was defective. "Chirped" every minute or so with new battery and hard-wired. Swapped with the other unit purchased, and everything was fine. No problem exchanging at Home-Depot and second replacement unit worked flawlessly for the past month.
Date published: 2017-01-03
Rated 5 out of 5 by from great Value All 6 fire detectors in our recently purchased house were beyond their 10 year life expectancy and had to be replaced. These replacement units were exactly what was needed and the wiring harness provided was an easy install. Order came quickly and I can now sleep in peace knowing the fire detectors are working properly. On line ordering was a breeze. I encourage you to check your fire detectors and replace them immediately if they are expired. There typically is an expiration date on the back or a manufacturing date. If older than 10 years, be safe and replace them.
Date published: 2016-09-08
Rated 5 out of 5 by from Quick and easy replacement for my 20 year old smoke detectors had my pellet stove smoke up my bas... Quick and easy replacement for my 20 year old smoke detectors had my pellet stove smoke up my basement and old detector did not go off bought these and swapped out all three in half hour. Tested the new ones and minimal smoke they all went off put a message on our neighborhood website for all my neighbors to test and replace there's have assisted some with there new ones as they found there's not working either.
Date published: 2016-12-27
Rated 4 out of 5 by from This product is very easy to install. I had... This product is very easy to install. I had used both rectangle and 4" round boxes and the included adapter/mount ring accomodates either. The wiring harness is solid which allows for use with push in connectors making it simple to interconnect these. It took only about two minutes to install.
Date published: 2017-01-11
Rated 5 out of 5 by from Easy to install, good to be safe The Hardwired 120-Volt Inter-Connectable Smoke Alarms with Battery Backup installed without issue and worked with the other long ago installed alarms. Tested in both directions, these new alarms were MUCH louder. Good thing I guess! I bought and installed two alarms.
Date published: 2016-10-11
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