First Alert Long Life Battery Smoke Alarm - SA305CN3 (1039815)

Name: First Alert Long Life Battery Smoke Alarm - SA305CN3 (1039815)
SKU: SA305CN3
Price: 16.95 USD
Availability: InStock
Rating: 4.9 (43 reviews)

Ionization Battery Operated Smoke Detector

Availability: In Stock

Regular: $29.95

Price: $16.95

You Save: $13.00

- 43 Customer Reviews

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Long Life Battery Smoke Alarm

The First Alert Long Life Battery Smoke Alarm features an extended long-life lithium battery that is warranted by the manufacture to ensure a decade's worth of protection! This effectively translates to ten years of constant and undisturbed coverage. Utilizing an Ionization Sensor, this alarm is especially effective in recognizing smoke brought on by flaming fires. This alarm comes equipped with a Mute Button that serves the dual purpose of quickly silencing your alarm as well as testing its function. First Alert's Long Life Battery Smoke Alarm also features an EZ access battery door that removes the hassle and burden of collecting your alarm from the ceiling and replacing its batteries. This alarm carries a 10-year limited warranty and meets UL217 Standards.

Ionization Sensor Reliably Detects Flaming Fires

The First Alert Long Life Battery Smoke Alarm comes equipped with an ultra-reliable ionization sensor to provide the earliest possible warning of a fast-flaming fire. The sensor is optimized to detect flaming fires, such as those caused by paper, kitchen grease, and other fast-combusting materials.

Battery-Powered Alarm Installs Easily

This battery-powered smoke detector requires no rewiring and no electrician to install. Simply mount it on a wall or ceiling using the open mounting design. An end-of-life signal will notify you when the detector is nearing expiration.

Test and Silence Button

Mute Button has been included to serve the dual purpose of silencing nuisance alarms and testing the functionality of your alarm.

First Alert Long Life Battery Smoke Alarm SA305CN3

* California Residents - Please Note This Alarm is Not Compliant with California State 10 Year Sealed Battery Alarm Legislation Requirements.

Long Life Battery Smoke Alarm Features:

Mute button, mutes unnecessary alarms immediately. It also tests alarm function with same button.
EZ access battery door, no need to remove alarm from ceiling to change battery.
Optional theft-prevention lock, when activated, batteries and/or alarm cannot be removed without proper tools.
Ionization smoke sensor, optimal smoke detection from flaming fires\Long Life lithium battery included.
Loud 85db alarm.
10-year limited warranty, smoke alarms should be replaced every 10 years for maximum protection.
Meets UL217 standard.
Emits T3 Pattern.

Product Specs

UPC:

029054018847

MPN:

1039815

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Average Rating Based on 43 reviews: (4.9)

First Alert Long Life Battery Smoke Alarm - 01/29/2019
Reviewer: Rose Frohlich
Works great! I really like the 10 year lit-hon battery.

Well Designed & Reliable - 11/28/2018
Reviewer: Mark Andresky
We have been installing this model in most rooms of our home for many years--always reliable, easy to install, and usually lasts the full 10 years. Very economical as well compared to comparable models from other brands.

- 05/15/2018
Reviewer: Linda Guillermo
Perfect!

Well Designed & Reliable - 05/04/2018
Reviewer: Mark Andresky
Have used this model throughout our home for many years. Reliable and easy to install. Small, unobtrusive design makes it less noticeable compared to competitive models.

Finally! Long life batteries - 02/08/2017
Reviewer: Cheryl Kucer
Tried to get these at local hardware stores & could only get three. So I went on first alert website, found the rest that I needed and ordered them. Prices were better than hardware store, easy to order and I got them right away. Very, very happy with first alert.

Great - 08/08/2016
Reviewer: Jessica Grignon
great smoke alarm

Rate of First Alert Alarms - 03/06/2015
Reviewer: Preston Pilcher
I have these alarms in my home and feel that FIRST ALERT Long Life Alarms are the BEST will use again!!!!

- 12/16/2014
Reviewer: Thelma Blake
products are great, with the long life battery you can almost forget about them.

- 10/29/2014
Reviewer: Joseph Wade
Looks like a winner.

smoke - 04/01/2014
Reviewer: Geor McGonigle
fast delivery easy to install

- 12/27/2013
Reviewer: Gerald Darnell
I purchased 8 on these. Good value and timely delivery

Just Right - 11/21/2013
Reviewer: Taylor Corn
Easy to install, easy to use, and maintenance free for years, cant ask for much else!

- 05/23/2013
Reviewer: Abraham Butensky
Excellent value and reliability. Pays for itself in savings on batteries over the life of the smoke alarm.

Smoke Alarm - 03/11/2013
Reviewer: Debbie Orozco
Very prompt delivery. Havent yet installed the alarm

works as advertised - 02/08/2013
Reviewer: Mike Gougler
Installation was quick and easy. Did a test with canned smoke - worked as advertised. Good price.

- 01/23/2013
Reviewer: Bonnie Mitchell
Ordering on line was easy. My order was delivered promptly and in good condition. I ordered 9 10 year battery smoke alarms to replace my existing smoke alarms. They were easy to install.

- 10/23/2012
Reviewer: Elizabeth Hough
Great! Easy to install. I was so tired of false alarms.

Model SA303 - 10/04/2012
Reviewer: Charles Nagy
Easy to install and works exactly as exected.

Saves Lives - 10/04/2012
Reviewer: Donna Page
Smoke detectors save lives and ten year detectors save money on replacing batteries twice a year.

jnrpl - 08/28/2012
Reviewer: John Lenzi
Product was received timely as stated. Easy to install and functioned as expected. Convenience of only changing the battery every ten years. However, will continue to check and monitor performance on a regular basis. Have experienced good performance from other First Alert products.

- 08/15/2012
Reviewer: vernon scherer
I ordered 3 smoke alarms with the 10 year battery. The frame fit on the existing screw slots & I installed the battery in all in a very short time. Just did my weekly test & it was ok. Im very satisfied.

Great Product - 08/15/2012
Reviewer: Richard McCleary
Very nice product and easy to install. Also the ten year life is a bonus

Outstanding devise!! - 06/09/2012
Reviewer: Carl Roberts
This is probably the best wireless, battery smoke detector on the market. Definately Thumbs Up!!!

- 05/11/2012
Reviewer: Kate Anthony
Fits on existing bracket. Glad to have 10-year battery.

- 04/23/2012
Reviewer: Mark Fitzgerald
Very satisfied

Good alarm - reasonable price - 03/31/2012
Reviewer: Larry Donohoe
This smoke alarm is easy to install, has long battery life, a mute button, and is plenty loud. Our Fire Dept. is installing them for older folks who have no working smoke alarm, free of charge, with the thought that saving a life is well worth the cost.

#5 - Excellent product - 03/22/2012
Reviewer: Jack Brunson
Excellent service! Very fast delivery! But, best of all the alarms work very well. Had a furnace repair that included torch welding. It set off the alarm that was in the next room. Good and sensitive! Great Product, will not have to change batteries for 10 years - - then throw out the old and get new.

- 03/17/2012
Reviewer: Mary Lou Herlugson
Alarm had great instructions and was easy to install.

- 02/23/2012
Reviewer: Mark Fitzgerald
Excellent product, reasonable price.

Reviewer - 01/28/2012
Reviewer: Don Kimbark
Bought this alarm at the local ace hardware Williams Lumber. I replaced a much older first alert that had just quit. This unit was very simple to install and works exactly as it was described. Whole job took 15 minutes to complete. My next replacement will be the CO detector FirstAlert of course.

- 01/19/2012
Reviewer: Robert Schmucker
Great transaction. Items were on back order when I orderd them, but the keep me informed about shippment date. Received items great condition, pack well and paid 1/2 the price they are in the stores Thanks Again and great job.

- 01/17/2012
Reviewer: Lois Johnson
The 10 year battery is a wonderful idea. It is very difficult for me to get up on a ladder to change the batteries and now I can relax for a few years. Thank you.

- 01/17/2012
Reviewer: Andy Banks
No complaints. They work very well. Worth the price.

Great Service - 10/17/2011
Reviewer: Catherine Killebrew
The items ordered arrived in a timely manner and appear to be exactly what I ordered. a 10 year battery will more than pay for itself in saved replacement time.

- 10/05/2011
Reviewer: Dave Kuether
We are a Fire Dept. that is using the detectors in the community to help make it safer. Thanks to a grant.

Smoke alarm - 10/01/2011
Reviewer: thomas weekly
trust my childs life to it.

Replacement - 09/09/2011
Reviewer: Miles Hodge
I replaced my last 10 year alarms. I only had one failure in that time frame and you replaced that unit for me.

- 07/28/2011
Reviewer: Phil Barnes
The order came promptly and was complete. Thanks so much!

- 07/27/2011
Reviewer: Thomas Adams
Havent had an opportunity to actually use them, and hope I never do. But assuming the hold up, the 10 year batteries should be both convenient and a savings over the life of the units.

FLAWLESS SERVICE - 07/12/2011
Reviewer: thomas powell
THIS WAS MY SECOND ORDER WITH FIRST ALERT. THE PROCESS WAS FLAWLESS, THE PRICING WAS GREAT, AND I WOULD NOT CONSIDER CONDUCTING BUSINESS WITH A COMPETITOR.

Good basic alarm - 06/21/2011
Reviewer: Sidney Zafran
This alarm was purchased to replace an older model that is no longer available. The 10-year battery life is an attractive feature. The battery was hard to install. Its polarity was not clearly marked on the unit.

- 05/21/2011
Reviewer: William Wolff
Excellent product-easy to install-I like the long-life battery feature.

Super Easy to Install - 05/16/2011
Reviewer: R Eerp
Super easy to install. Easy to manage when you accidentally set it off with cooking smoke, etc. We are very happy that we will not have to change the battery for so long.

Read All Reviews

Q: How often do you need to change the batteries?

Actual battery service life depends on the particular design of your smoke or carbon monoxide alarm and the environment in which it is installed. All kinds of alarm batteries specified in the user's manual are acceptable replacement batteries. Regardless of the manufacturer's suggested battery life, you MUST replace the batteries immediately once the unit starts "chirping" (the "low battery warning"). It is recommended that you change the batteries in your alarms when you change your clocks for daylight saving time. Also consider replacing your current alarms with 10-Year Life Alarms that never require a costly battery replacement for the ten year life of the alarm. This 10-Year series is available in smoke, carbon monoxide and combination alarms.

Q: What is the proper placement of smoke alarms?

A: It is important that you have the proper placement for your smoke alarms. Install your alarms at least 20 feet from appliances like furnaces and ovens, which produce combustion particles. Alarms should be at least 10 feet from high humidity areas like showers and laundry rooms, and at least 3 feet from heat/AC vents. Be sure to install a smoke alarm in each bedroom, one at the top of each stairwell, and one on every level.

Q: My smoke alarm keeps chirping and beeping. Why does my smoke alarm chirp intermittently?

A: It is likely that the reason your smoke alarm keeps chirping and beeping is that the battery is low. Whenever your smoke alarm keeps chirping, replace the battery immediately.

Other reasons include: It could be a different device or appliance such as a security system, monitor, carbon monoxide alarm, or other device which has a similar low battery or alert signal. Some of the same factors that cause unwanted alarms can cause intermittent alarms: dust and insects in the alarm or power interruptions in hardwired alarms. Improper wiring on AC or AC/DC smoke alarms. AC alarms will chirp every 5 seconds if the interconnect wire is grounded. The orange interconnect wire should NEVER be grounded; it should only be used to interconnect other smoke alarms or compatible devices.

Q: Why doesn't my smoke alarm sound when I push the test button?

A: It is important that you frequently test your smoke alarms. When you are testing your smoke alarm, there are a number of reasons why the alarm might not sound:

You may not be holding the test button down long enough. Try holding it down for up to 10 seconds (20 seconds on photoelectric models) .
Your battery may not be installed properly or snapped all the way in place. Even if the alarm sounded briefly when the battery touched the terminals, you still need to make sure it is snapped securely in place. If the battery is loose, in cannot power the smoke alarm properly. After installing new batteries, be sure to test your smoke detector.
Your AC power may not be on. AC and AC/DC units will have a power indicator light (red or green) that shines continuously when they are receiving electrical power.
If you have a 10-Year model, the smoke alarm may not have been properly activated. If the tab broke away before the alarm was activated, you can use a toothpick to move the switch over to test the alarm.

Q: Why does my smoke alarm go off when I install a battery or turn on the AC power?

A: It is normal for smoke alarms to go off and sound briefly (up to 5-10 seconds) when you install a new battery or when they are powered up. If the alarm continues to go off and no smoke is present, the cause may be one of the following:

There may be insufficient battery power, try new batteries.
Problems with voltage or insufficient electrical power (brown out) may cause a continuous weak sounding alarm. For AC or AC/DC models, temporarily disconnect power at the service panel until the brown out is over. If you do not restore the AC power, your smoke alarms cannot warn you of a fire.
Incompatible warning device. If an incompatible alarm or auxiliary device is linked into a series of AC or AC/DC smoke alarms it may cause the system inadvertently go off.

Q: My smoke alarm keeps chirping, even with a new battery. What is causing this?

A: There are a number of possible causes for your smoke alarm to keep chirping even with a new battery.

It is possible that your smoke alarm "silence" button was pushed by mistake. The alarm will now "chirp" once a minute for up to 15 minutes before resetting.
Are you sure it's the smoke alarm? Funny to ask, but other devices have similar low battery chirps or warning tones.
Your "new" batteries may not be fresh. If batteries are stored, especially in cold areas like refrigerators, they lose their charge more quickly. Always check the freshness date on the package when buying new batteries. Keep plenty of replacement batteries on hand so that you are sure to always be protected by your smoke alarms.

Q: I lost my First Alert smoke alarm owner's manual. How can I get a new one?

A: First Alert smoke alarm owner's manuals are available online for download at no cost. Find your alarm in our Smoke Alarms section.

Q: Why does the National Fire Protection Association (NFPA) recommend that home smoke alarms be replaced after 10 years?

A: Smoke alarms have a limited life. Although each smoke alarm and all of its parts have passed many stringent tests and are designed to be as reliable as possible, any of these parts could fail over time. Therefore, you must test the devices weekly. The unit should be replaced immediately if it is not operating properly. The performance of smoke alarms older than 10 years is simply not reliable. To ensure your family's safety, all carbon monoxide and smoke/CO combination alarms need to be replaced every 5-7 years. All smoke alarms need to be replaced every 10 years.

If it's time to replace your alarms, consider the NEW 10-Year Life series and never have to worry about a battery replacement for the life of the alarm.10-Year alarms are available in smoke,carbon monoxide and combination alarms.

First Alert SA305CN3 Smoke Alarm Manual

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