0029054007384

First Alert

Model # SA320CN

Internet # 202788788

Battery Operated Dual Sensor Photoelectric and Ionization Smoke Alarm

$19.98 /box
  • Utilizes both ionization and photoelectric smoke sensors
  • EZ access battery door
  • Batteries Included

FREQUENTLY BOUGHT TOGETHER

PRODUCT OVERVIEW

Model # SA320CN

Internet # 202788788

Dual sensor technology is the preferred choice of fire service professionals for its ability to detect both flaming and smoldering fires. Ionization technology smoke detectors are generally more sensitive than photoelectric technology smoke detectors at sensing small particles, which tend to be produced in greater amounts by hot, flaming fires that are consuming combustible materials rapidly and may spread quickly. Photoelectric smoke detector technology is generally more sensitive than ionization smoke detector technology at sensing large smoke particles, which tend to be produced in greater amounts by smoldering fires, which may smolder for hours before bursting into flame. With this fire alarm, you no longer need to choose just one technology. This unit is powered by 2-AA batteries (included), and features intelligent sensing technology which reduces non-emergency or nuisance alarms. This product is also backed by a 10-year limited warranty.

  • 2-smoke sensing chambers, ionization and photoelectric for maximum fire detection
  • Intelligent sensing technology reduces non-emergency or nuisance alarms
  • Single button silence/test mutes unwanted alarms
  • Operates on 2-AA batteries (included)
  • 10-year limited warranty

Info & Guides

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SPECIFICATIONS

Dimensions
Product Depth (in.) 
Product Height (in.) 
Product Width (in.) 
Details
Alarm Sensor Type 
Dual-Sensor 
Alarm Type 
Smoke 
Alarm/Detector Features 
No Additional Features 
Commercial / Residential 
Commercial / Residential 
Connector/Contact Type 
None 
Included 
Batteries 
Power Source 
Battery 
Returnable 
90-Day 
Voltage (volts) 
1.5 
Warranty / Certifications
Certifications and Listings 
1-UL Listed 

MORE PRODUCTS WITH THESE FEATURES

Alarm Sensor Type: Dual-Sensor
Alarm/Detector Features: No Additional Features
Brand: First Alert
Power Source: Battery
Review Rating: 4 & Up
Price: $10 - $20
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5 Questions7 Answers

Customer Questions & Answers

Battery Operated Dual Sensor Photoelectric and Ionization Smoke Alarm
Battery Operated Dual Sensor Photoelectric and Ionization Smoke Alarm

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2 answers

Is it fine to use rechargeable batteries with this smoke alarm?

This question is from Battery Operated Dual Sensor Photoelectric and Ionization Smoke Alarm
Asked by
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November 8, 2015
If it's fine to use rechargeable batteries, do they have to be a particular type (e.g. made out of NimH), or are there any types that should be avoided? Any info would help. Thanks.
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Answers (2)

Asked by
Manassas, Virginia
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December 15, 2015
Answer: 
I have heard and read over the years that using rechargeable batteries in smoke alarms is not recommended. I don't know why this is. I have used rechargeable NiMH batteries for years in my previous smoke alarms with no problems. I know they still worked(detect smoke) because they sounded off on a few occasions due to smoke being generated from cooking. Since this smoke alarm came with "regular" Read More
I have heard and read over the years that using rechargeable batteries in smoke alarms is not recommended. I don't know why this is. I have used rechargeable NiMH batteries for years in my previous smoke alarms with no problems. I know they still worked(detect smoke) because they sounded off on a few occasions due to smoke being generated from cooking. Since this smoke alarm came with "regular" batteries, I am using them until they wear out. Then I'll probably go back to the rechargeables. I would think any type would work. I don't think the smoke alarm knows(or cares) what type of battery is supplying voltage to it. Read Less
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Asked by
Palmer Lake, Co
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Home Improvement Profile: DIYer
November 9, 2015
Answer: 
Yes, rechargeable batteries will work fine. As to the type, I would avoid using Lithium Ion as they have some very different properties than other types and may not give you much warning when they get weak.
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2 answers

Do you have a dual hard wired and back up battery sensor photoelectric and ionization smoke detector?

This question is from Battery Operated Dual Sensor Photoelectric and Ionization Smoke Alarm
Asked by
strongsville ohio
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August 31, 2015
Can I use a 10 year lithium battery in this product? Do you have a Hard wired and battery operated Dual sensor photoelectric and Ionization smoke alarm?
Can they be installed where currently Kiddey alarms are?
Thank you
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Asked by
Manassas, Virginia
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December 15, 2015
Answer: 
I would think ten year lithium batteries would work fine. I have only battery operated smoke alarms. If you mean would the mounting bases for First Alerts and Kiddes be the same, I'm not sure. I doubt that they would be compatible. Each manufacturer generally designs their products in their own way with no concern for compatibility being shown for other competing manufacturers.
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Asked by
Palmer Lake, Co
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Home Improvement Profile: DIYer
September 2, 2015
Answer: 
No, both my dual smoke detectors are battery.
If your item is battery operated, you can use any type of battery you choose: however, if it is both hard wired and battery backup, then you need to determine if the battery is kept in a charged state by the A/C. If so, any battery you use must be a rechargeable type. Your literature should tell you this.
You should be able to use the existing wiring for the
Read More
No, both my dual smoke detectors are battery.
If your item is battery operated, you can use any type of battery you choose: however, if it is both hard wired and battery backup, then you need to determine if the battery is kept in a charged state by the A/C. If so, any battery you use must be a rechargeable type. Your literature should tell you this.
You should be able to use the existing wiring for the Kidde smoke alarm. As long as you completely remove all the Kidde circuitry. Be sure to disconnect the power before attempting to disconnect the old alarm and check with a volt meter before continuing.
Read Less
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1 answer

I'm finding that some alarms don't audibly notify you when the batteries are dying or dead. Does this model?

This question is from Battery Operated Dual Sensor Photoelectric and Ionization Smoke Alarm
Asked by
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February 9, 2016
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Answer (1)

Asked by
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April 29, 2016
Answer: 
I would like to know this also!!!
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1 answer

How long do the batteries last

This question is from Battery Operated Dual Sensor Photoelectric and Ionization Smoke Alarm
Asked by
Fort Collins
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October 29, 2015
I've never had smoke detector with AA batteries, always with 9 volt. So I'm interested to know how long the batteries will last under "normal" (no alarms) use?
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Answer (1)

Asked by
Manassas, Virginia
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December 15, 2015
Answer: 
Have only had the smoke alarm in use for about a month. No battery replacement needed so far. When battery replacement is needed, the two AA batteries are very easy to replace.
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CUSTOMER REVIEWS

Rated 4.7 out of 5 by 53 reviewers.
Rated 5.0 out of 5.0 by Excellent Smoke Alarm Bought two smoke alarms as a gift to my son for his new house. Consumer Reports rated the smoke alarms very high. Great price and delivery to near by Home Depot was within 5 days. May 17, 2016
Rated 5.0 out of 5.0 by Very pleased.... I especially like the fact that you can change the battery without taking the unit down. April 5, 2016
Rated 5.0 out of 5.0 by Excellent Product! Very reasonably priced as well! I work for HD and this is the smoke alarm I ended up buying. I did alot of research on smoke alarms before purchase. Recommended having both types of sensing technology for the best protection of either smoldering or raging fires. This alarm has both. Now, it doesn't have a "10-yr." battery so you'll have to change out battery every 1-2yr. It also may be sensitive to "false" alarms (which I have not experienced yet.) I, personally, will take function over convenience. This product, IMO, should be offered in the stores. Just order one on line and it will arrive in the store in no time. Just make sure you select the right store # on the top of the page. January 20, 2016
Rated 5.0 out of 5.0 by One of the best Dual Sensor Photoelectric and Ionization Smoke Alarms are the only type I buy. They cost a little more, but how can you put a price on you and your families lives. When my family is sleeping, I want to know as soon as possible when I have a smoldering fire or a flash flame fire. This is the detector that does both. I just put a small nail in the wall about 6 inches from the ceiling and hang the detector on the nail. This way I can just reach up, take it off the wall to change the battery. February 13, 2016
Rated 1.0 out of 5.0 by Does not work in unheated Attic Was trying to replace a smoke detector in an unheated attic. Went off and could unlock stop it by removing batteries. If I had the box, I would have returned it February 17, 2016
Rated 4.0 out of 5.0 by Easy to install Purchased the alarm because it was both an IR and ionization smoke detector. It was purchased to meet state regulations for smoke detectors. No issues installing the detector. Liked that the battery was included. February 10, 2016
Rated 5.0 out of 5.0 by Great Product The smoke alarms were very easy to install. Instructions and directions for use were very thorough and easy to understand. 10 year warranty makes them an outstanding deal. February 5, 2016
Rated 5.0 out of 5.0 by Exzcellent dual sensor smoke alarm No problems at all installing or using this alarm. I bought it to replace a dual sensor Kidd alarm -- three of which failed within a year, all bought new at a famous discount store. January 12, 2016
  • 2016-05-30 T14:56:10.654-05:00
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