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
$1497 /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)



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Name Hardwired 120-Volt Inter-Connectable Smoke Alarm with Battery Backup Hardwired 120-Volt Inter-Connectable Smoke Alarm with Battery Backup Hardwired 120-Volt Inter-Connectable Smoke Alarm With Battery Backup Includes Universal Adapters Hardwired 120-Volt Inter-Connectable Smoke Alarm with Battery Backup
Brand FireX FireX Kidde FireX
Ratings (32) (338) (315) (100)
Commercial / Residential Commercial / Residential Commercial / Residential Commercial / Residential Commercial / Residential
Alarm Type Smoke Smoke Smoke Smoke
Power Source Hardwired Hardwired Hardwired Hardwired
Alarm Sensor Type Ionization Ionization Ionization Photoelectric
Alarm/Detector Features Battery Back-Up,Hush Feature,Interconnected Battery Back-Up,Hush Feature,Interconnected Battery Back-Up,Hush Feature,Interconnected Battery Back-Up,Hush Feature,Interconnected
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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
Diane, If you already replace the battery with a new one, them the alarm is defected. If the alarm is not to old. Just send it to the company for a full replacement. They will replace without a charge.
Answered by: Rafael
Date published: 2017-03-17

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
easy to install last thin 15 minutes
Answered by: BMW
Date published: 2017-03-15

The green light is on, but a red light flashes ocassionally. Is this normal?

Asked by: Bob
Ignore my previous answer. My old one didn't flash red, but this one does-every 40 seconds, according to the manual. As long as there is no alarm it's just working normally.
Answered by: Arthur
Date published: 2017-03-28

1 of the 6 alarms beeps occasionally, always in the middle of the night. The other night it beep...

1 of the 6 alarms beeps occasionally, always in the middle of the night. The other night it beeped for 45 minutes then stopped, last night for 3 hours then stopped. If it needs a new battery, why would it only beep for a time and not constantly until the battery is replaced?
Asked by: Paula
Does your house get cooler at night? If so, the intermittent low-voltage alarm may be activated by temperature for a battery near its end-of-life. This is the result of at least two possibilities. First, battery voltage decreases with decreasing temperature, and second, the low-voltage detection circuit may be more sensitive at cooler temperatures. Funny how the low-voltage alarm comes at the most inopportune time.
Answered by: Jake
Date published: 2017-05-17
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Customer Reviews

Hardwired 120-Volt Inter-Connectable Smoke Alarm with Battery Backup is rated 4.3 out of 5 by 334.
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 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 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 It sure would be nice if they could keep a... It sure would be nice if they could keep a standard connection and base plate so you don’t have to change the entire alarm, baseplate and rewire a new pig tail each time you change them out. The one that was 16 feet on the ceiling wasn’t much fun having to rewire and remount a new baseplate.
Date published: 2017-04-18
Rated 5 out of 5 by from I needed to change out the original 2004 base plate. The screw holes were in the same position so... I needed to change out the original 2004 base plate. The screw holes were in the same position so it was a very easy changeout. Then just undo the wirenut connections on the old and redo them on the new, twist the new one onto the newly installed base plate, and it was off and running. Easy, peasy.
Date published: 2017-02-07
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 I replaced 5 FireX smoke alarms — all done within... I replaced 5 FireX smoke alarms — all done within about 20 minutes. I turned off the electrical portion first. When turned on again, I push button checked each one, and all worked as listed. I’m good for 5 years and confident they will go off when needed.
Date published: 2017-05-02
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