Firex i4618 (21007581) AC Smoke Alarm with Battery Back-up and False Alarm Control

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Need to replace old alarm?

PLEASE READ. You should replace ALL your old Firex alarms with new units to maintain communication between all alarms. This Firex i4618 model can replace the following old Firex models:

4618
4418
ADC
120-1072B
4518
120-538B
120-1182 (120-1182B)
120-1072C

5000
120-557B
FADC
AD
120-1070 (120-1070B)
120-1056E
46182

Since old Firex and new replacement have different wiring harness, the existing wiring harness needs to be changed.

If you don't want to rewire, you need to get a quick convert adapter Kidde KA-F and perform 3-easy-step installation:

Replace the ceiling mounting bracket.
Install KA-F adapter and attach existing wiring to the alarm.
The new alarm will now be interconnected and compatible with your Firex alarm system.

Our Price: $20.97

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Model: FIREX-I4618

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Technical Spec

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Technical Spec

The Kidde i4618 is an AC/DC powered, ionization smoke alarm that operates on a 120V power source with 9V battery backup. This alarm uses ionization sensing technology. Ionization sensing alarms may detect invisible fire particles (associated with flaming fires) sooner than photoelectric alarms. Photoelectric sensing alarms may detect visible particles (associated with smoldering fires) sooner than ionization alarms.

The front-loading battery door allows user to change the battery without removing the alarm from the mounting bracket making battery replacement easy and convenient. This smoke alarm is available in a 6-piece cut case with tray for easy display as well as a 6-piece bulk pack for contractors and property owners. This unit is a UL Listed product with a 5-year limited warranty. Kidde strongly recommends that both ionization and photoelectric smoke alarms be installed to help insure maximum detection of the various types of fire that can occur within the home.

Features & Benefits

Easy Installation

Front battery pull tab allows battery activation without removing alarm from mounting bracket.
Large mounting base makes mounting easier, protects surface paint from dirt and covers imperfections.
Pre-stripped wiring harness with easy off cap does not require stripper tool. Tinned strands increase conductivity and wire nut grip.

Fewer Callbacks

Large centrally located Test/Hush® alarm control button.
Dust cover protects sensor from contaminates during construction reducing nuisance alarms.

User-Friendly Features

Easy access front loading battery door.
Battery backup provides protection in case of power failure.
Interconnectable with up to 24 devices (of which 18 can be initiating) including smoke, CO and heat alarms. See user’s guide for complete instructions.

Item	i4618
Model	i4618
Weight	8 ounces
Operating Temperature	40° - 100°F(4.4°C to 37.8°C)
Interconnect Quantity	Up to 18 Firex devices maximum: 12 smoke alarm items 5000, 4618 and 46182 (model FADC), 4518 (model ADC) and 4480 (model PAD). Up to 6 heat, carbon monoxide or smoke and carbon monoxide combination alarms maximum; Firex carbon monoxide alarm item 10000 (model COE) and 6045 (model COQ8), Firex smoke and carbon monoxide combination alarm item 12000 (model FADCM) and 7000 (model FADCQ) or Firex heat alarm item 5700 (model ADH).
Electrical Rating	120V AC, 60HZ, 50mA max, 9 Volt Battery Back-up
Alarm Point	obs. 1.35 ± 0.7%/ft..
Horn Output	85 decibels at 10 feet
Listings	UL 217
Detection Type	Dual Ionization Chamber
Humidity Range	10% to 93% Relative Humidity
Warranty	5-Year Limited Warranty