The Best Firex 120-1072B Replacement of 2023 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best Firex 120-1072B Replacement of 2023. Check our ranking below.
2,476 Reviews Scanned
- Note: A loose neutral (white wire) connection within the home junction box could prompt a device malfunction
- Equipped with an ionization sensor, this smoke alarm reliably detects smoke from fast flaming fires and alerts you with an 85 decibel alarm
- To ensure complete protection make sure to place one on each level of your home and in each bedroom
- Can connect to other compatible BRK or First Alert smoke detectors, to ensure all alarms will sound when smoke is detected
- Simple to use, with a single test/silence button, and side load battery compartment; Tamper resistant locking brackets and universal mounting brackets make installation easy
- HARDWIRED SMOKE DETECTOR - Hardwired interconnected smoke alarm can connect up to 12 alarms, they can be installed more flexibly at any location within the home to maximize coverage of the secure area. When one of alarms detects smoke, they all sound, more than 85 decibels of alarm sound, so you never miss an emergency and can get out faster.
- 10-YEAR PRODUCT LIFE - Hardwired smoke detectors can be used for ten years, are equipped with DC 9V batteries, providing protection in the event of a power outage. If low battery there will be a signal alarm, which informs you to change a new battery.
- FAST ALERTS - Enhanced sensing technology that respond quickly to smoke, enhancing fire warning capabilities. It can more accurately detect smoke from smoldering fires, reduces false alarms often caused by cooking.
- DO NOT DISTURB MODE - Hardwired interconnected smoke detector detects low voltage or a fault, pressing the test button activates a Do Not Disturb mode for approximately ten hours, preventing frequent alarms and flashing at night, ensuring your sleep is not disturbed.
- TEST/LED NOTIFICATIONS - Hardwired interconnected smoke detector you only need to press one test button during the weekly test, and the rest can be tested at the same time. If the smoke alarm is in normal working condition, the green LED light is always on and the red LED light flashes every 40 seconds.
- Easy installation with no rewiring – The Kidde’s 20-9003 adapter allows quick and secure connection between your existing hardwired smoke or carbon monoxide alarm wiring and new Kidde’s detectors—no wire stripping required.
- Ideal for retrofit & upgrade projects – Designed for upgrading older homes or replacing alarms without altering ceiling wiring—perfect for retrofitting new Kidde’s smoke and CO alarms using your existing connector.
- Supports alarm interconnection – Use this Kidde’s quick connect adapter to link up to 24 interconnected Kidde’s smoke, CO, or heat alarms for full-home safety coverage.
- Trusted safety, backed by warranty – UL listed and backed by a 10-year limited manufacturer's warranty, this smoke detector adapter is a reliable solution for homeowners and contractors alike.
- Compatible with multiple Kidde’s models – This Kidde’s smoke detector adapter plug works with over 30 models, including i12020, i12020A, i12040, i12040A, i12060, i12060A, i12080, i12080A, i4618, i4618A, i4618AC, KN-SMFM-I, RF-SM-ACDC, PE120, P12040, Pi2000, Pi2010, KN-COSM-I, KN-COSM-IB, KN-COSM-IBA, KN-COPE-I, KN-COPE-IC, KN-COB-IC, KN-COP-IC, SL177i, SLED177i, HD135F, SM120X, CO120X, i12010S, i12010SCO, P4010ACSCO, P4010ACSCO-W, P4010LACS-W, P4010ACS, P4010ACS-W, P4010ACLEDS-2, P4010ACLEDSCO-2, 3050-VAS10-A, 3050-VASC10-A, P4010ACSCO-WF, P4010ACSCOAQ-WF, and 900-CUAR.
- Keep your family safe with this hardwired smoke and carbon monoxide alarm; The battery backup means constant monitoring, even if there's a power failure
- Features an electrochemical carbon monoxide sensing technology as well as an ionization sensor for smoke detection.
- Indicator lights on the face of the unit display the presence of smoke or carbon monoxide, while an 85 decibel siren provides a clear, loud warning upon detection
- Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when threat is detected
- Simple to use, with a single test/silence button, and side load battery compartment; Tamper resistant locking brackets and universal mounting brackets make installation easy
- Ionization sensing technology - hardwired smoke detector senses invisible fire particles, 85 decibel alarm alerts of fire
- Whole home detection - easily install 1 fire detector on each level of your home & in each bedroom
- Still works during power failures - smoke alarm with battery backup operates on a 120V power source with 9V battery included
- Front-load battery door - For quick battery replacements
- Test-Hush - It’s simple to test or hush false alarms by pressing the button right on the face of the device
Last update on 2025-09-08 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API
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FAQ:
Q: Is it possible to replace an old FIREX alarm?
A: 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 : Replace the ceiling mounting bracket with new one (included). Install quick convert adapter and attach existing wiring to the alarm.
Q: Do you need to replace your FIREX battery?
A: You should replace ALL your old Firex alarms with new units to maintain communication between all alarms. If you need the 10 year sealed lithium battery, please click here . Share your knowledge of this product. Be the first to write a review »
Q: How many devices can be interconnected with a FIREX battery?
A: 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. Up to 18 Firex devices maximum: 12 smoke alarm items 5000, 4618 and 46182 (model FADC), 4518 (model ADC) and 4480 (model PAD).
Q: How do you remove wire from FIREX unit?
A: 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.