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Main product image of P12040 Hard-Wired Interconnect Photoelectric Smoke Alarm (120v) w/ 9v Battery Backup
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P12040 Hard-Wired Interconnect Photoelectric Smoke Alarm (120v) w/ 9v Battery Backup

Brand:
Kidde
SKU:
21006371
Rating:
(2)
Q&A:
(0)
P12040 Hard-Wired Interconnect Photoelectric Smoke Alarm (120v) w/ 9v Battery Backup
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21006371 has been discontinued
Discontinued March 20, 2025
This product was discontinued by the manufacturer.
Suggested Alternative:
SMACFEX Hard-Wired Firex Smoke Alarm (120 V) with AA Backup Battery
Brand:
Kidde
SKU:21033081
(3)
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Product Highlights

Product Highlight: Temperature Range (F)
40°F to 100°F
Product Highlight: Diameter (Inches)
5.6" Diameter
Product Highlight: Depth (Inches)
1.55" Depth
Product Highlight: Voltage
120v
Product Highlight: Warranty
10 Year Limited Warranty

Description

Product Description


The Kidde P12040 is a 120VAC powered photoelectric smoke alarm with 9V battery back up. This advanced smoke alarm has the ability to function as a stand-alone unit or in an interconnected system. The Kidde P12040 includes a test button, quick-connect power harness and offers a 10-year limited warranty. This alarm uses photoelectric sensing technology. Photoelectric sensing alarms may detect visible particles (associated with smoldering fires) sooner than ionization alarms. Ionization sensing alarms may detect invisible fire particles (associated with flaming fires) sooner that photoelectric alarms.


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. The Kidde model P12040 is a 120VAC powered alarm that includes a 9V battery backup to provide continuous protection during a power failure and included a quick connect power harness to make installation simple.


Features

  • Photoelectric Sensor - Advanced photoelectric sensor may detect visible particles (associated with smoldering fires) sooner than ionization alarms.
  • Battery Backup (9V Battery Included) - Provides continuous protection even during power outages.
  • Test Button - Tests unit's electronic circuitry, horn and battery function.
  • Quick Connect Power Harness - Makes installation fast and easy.
  • Dust Cover - Protects sensor during construction.
  • Battery Pull Tab - Eliminates battery installation time and keeps battery fresh.
  • Red LED - Indicates that the smoke alarm is operating properly, HushTM, and alarm condition.
  • Green LED - Indicates the presence of AC power.

Specs

Product Type:

Smoke Detector

Temperature Range (F):

40°F to 100°F

Diameter (Inches):

5.6"

Depth (Inches):

1.55"

Humidity Range:

5 to 95% RH

Sensor Type:

Photoelectric

Voltage:

120v

Warranty:

10 Year Limited

Battery Type:

9V

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Showing 1-2 of 2 reviews

Replacements fit nicely

These fit in to the existing system very well. Hope I don't need their performance!
Chris
Englewood, OH
2 years ago
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I would recommend if you have a solar system installed

They work without really any false alarms. They even work with solar panels installed on the house
Al
Danvers, Ma
6 years ago
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