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Firex Replacement Kit to Replace Old Firex 120V AC Wire-in Smoke Alarm
Firex Replacement Kit to Replace Old Firex 120V AC Wire-in Smoke Alarm

Need to replace old alarm?
PLEASE READ. You should replace ALL your old Firex alarms with this replacement kit to maintain communication between all alarms. This kit can replace the following old Firex models WITHOUT REWIRING:
  • Firex 120-1056E
  • Firex 120-1070
  • Firex 120-1070B
  • Firex 120-1072B
  • Firex 120-1072C
  • Firex 120-1182
  • Firex 120-1182B
  • Firex 120-538B
  • Firex 120-557B
  • Firex 120-557C
  • Firex 4418
  • Firex 4518
  • Firex 4618
  • Firex 46182
  • Firex 5000
  • Firex AD
  • Firex ADC
  • Firex FADC

With this replacement kit, you can perform 3-easy-step installation:

  1. Replace the ceiling mounting bracket with new one (included).
  2. Install quick convert adapter and attach existing wiring to the alarm.
  3. The new alarm will now be interconnected and compatible with your Firex alarm system.

If you want to rewire, get the regular Firex i4618 without the adapter.

Our Price: $26.88


Technical Spec Downloads
Technical Spec

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.
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

Firex 4618 diagram

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