USI 3-in-1 Hardwired Smoke, Fire & Carbon Monoxide Smart Alarm with 10 Year Tamper-Proof Sealed Battery (MIC1509S)

super, easier to install

Reviewed: 09/09/2019 by annette russo

We are elderly, and have ten and twelve foot ceilings where these detectors are installed. The fire dept gives us free service, and it took exactly one minute to install. Great!!!

Direct Replacement of 1990s Smoke Detector

Reviewed: 09/05/2019 by Michael Bohun

Replaced two hard-wired vintage 1990 smoke directors with two new USI 3-in-1 hardwired smoke, fire and CO Alarms. All hardware was included with 3-wire plug to detector. Detectors work in tandem if one sounds on main floor the one in the basement also sounds! The 10 year battery makes for worry free operation plus it has 3-in-1 detection.

Easy change over

Reviewed: 08/23/2019 by Jack Welsh

Needed to replace 10 year old USI-7795 alarms when 2 of them would sound a double beep every couple of minutes. Realizing they should be replaced, the MIC 1509S was an easy change to just plug-in after changing the mounting bracket. All new an working as designed, good for 10 more years.

Nice upgrade...

Reviewed: 08/13/2019 by Hansen Su

Easy to install, clean appearance, don't have to purchase a separate CO2 alarm and saves me from buying and replacing batteries every year. No down sides so far!

Reviewed: 08/01/2019 by Melody Bacon

Web site easy to use, received item as ordered.

Very pleased

Reviewed: 07/22/2019 by John Harper

Ordered combination fire/carbon monoxide to replace outdated fire only alarm. Very pleased with product.

Very easy replacement of old alarm

Reviewed: 06/25/2019 by Joe Bass

Our 12 year old combination smoke and carbon dioxide detector finally quit working as evidenced by a repetitive chirping even after installing a new 9 volt battery so I went on a search for a compatible replacement. After googling my old unit it led me to USI's website where it listed this new unit for consideration. I was most concerned about minimizing the wiring changes needed since I would be perched on a 12 foot ladder and this unit used the exact same wiring harness which meant all I had to do was replace the plastic base that came with the unit and plug in the wiring connector. Working like a charm!

chirping alarm

Reviewed: 06/19/2019 by Joe

We have a new home and this unit keeps chirping throughout the day as well in the night. I had to disconnect the unit. 1.5 years old

Carbon detector

Reviewed: 05/20/2019 by Edmund Armstrong

Excellent detector and very professional staff at universal

So far, so good

Reviewed: 04/30/2019 by Matthew Szenher

Only had the product for a few weeks, but it works as advertised so far.

Great buy!!!

Reviewed: 04/23/2019 by YESENIA VALLE

I needed to buy new ones, the old ones were 10 year old. They work exceptionally well.

Reviewed: 04/17/2019 by Mark Crain

Removed old detector and plugged new one in. Exactly what I was looking for! Great company to work with!

Reviewed: 03/25/2019 by Greg Black

Replaced all 7 outdated smoke alarms with this USI 3-in-1 and am very happy. It was very easy to install and only had to change out the base and wiring on 3 of them.

New all in one detectors

Reviewed: 02/19/2019 by Edward Bowleg

Received the products ordered was able to install both in about twenty minutes, insured that they sync with the other five and the job was complete. Will order more when the time comes again.

Perfect

Reviewed: 01/26/2019 by Sam Dolinsky

The sealed 10 year battery was a selling point for us in addition to the breadth of protection. No more chirping or climbing the ladder. Great support from on line and store reps to choose the right units.

Reviewed: 01/17/2019 by Jean Monaghan

Easy to install. Makes me feel safer knowing I have co detectors.

MIC 1509S

Reviewed: 12/31/2018 by ARNOLD WILLIAMS

NO PROBLEMS INSTALLING THIS UPDATED MODEL OF MY OLDER ALARM. THE EXISTING WIRING PLUGGED INTO THE MIC 1509S EASILY.

updated

Reviewed: 11/20/2018 by Linda Neville

We did not have a co detector downstairs and our upstairs one had reached its life limit so we added a hardwired co and they work great! Thanks for great service and product.

Replacement of 14 yr old alarm

Reviewed: 11/19/2018 by Robert Clapp

Replaced a 14 yr old Smoke, Fire, Carbon Monoxide Alarm. Great that the new Smart Alarm has sealed backup battery. No more replacing batteries...Yeah.

6-pack combo detectors

Reviewed: 11/13/2018 by Rachel Duncan

Product came on time and in good working order. Electrician had some difficulty installing them, but was able to work it out. Good value.

Smart Alarm

Reviewed: 10/26/2018 by Rafael Acevedo

Received the alarm, pulled the tab. Pulled the old ring from the ceiling and replaced it with the new ring. Installed the alarm, plugged it in and done!

Order Processing

Reviewed: 10/18/2018 by Tony Ellis

Order processing was straight forward. Selected the type of detector I wanted and submit my payment. Detector arrived ahead of schedule. Installation took all of 5-mins and detector was up and running.

Good but is there a model with a battery as well as electrical connection?

Reviewed: 10/17/2018 by Benjamin Gantcher

It seems sufficient, but I'd prefer a model that can use a back-up battery in case of a power outage.

Reviewed: 09/13/2018 by Bethany Pinkley

Love the 10yr battery!

Reviewed: 09/06/2018 by William Blackburn

Replaced 9 volt battery one that would not clear carbon dioxide warning. So far so good. Fit in existing plate and connection

Review

Reviewed: 09/02/2018 by CORRINE ALGERMISSEN

So far so good. No chirping! Am happy!

Reviewed: 08/20/2018 by Bill Woolsey

Great product. Easy to install. Fast shipping.

Awesome product!

Reviewed: 07/26/2018 by Jeff Fogarty

I love these 3-in-1 detectors. With no batteries to change and backwards compatibility built-in with their previous models you can't go wrong!

Replace older sensors

Reviewed: 07/12/2018 by Don Rahaim

In just a matter of 20 minutes I was able to replace all of my older sensors 4 with the new 3 in 1 model. A quick change of the mounting plate and a pull on the battery tape and all was good to go.

MIC1509S

Reviewed: 07/11/2018 by Jorge Caliso

I bought two of these items and I already installed them in my basement. So far, they haven't been misbehaving.

Great Product

Reviewed: 06/29/2018 by Leah Jaggernauth

Fast delivery! Thanks.

Reviewed: 05/20/2018 by Victoria Hope

I have always been happy with the products and services when I order from you. thank you

Good upgrade

Reviewed: 04/07/2018 by David Herron

A good upgrade for older units

great customer service

Reviewed: 03/28/2018 by Roberta Bauer

I ordered from USI after not being able to find the device I wanted on other sites bad filters, incomplete descriptions. Even USI lacked some information, so I contacted customer service and received prompt and clear answers to my questions. I ultimately ordered 6 devices which we were able to install ourselves.

Good alarm.

Reviewed: 03/26/2018 by Justin Frederick

It was difficult to find a dual sensing alarm with CO and sealed battery. Glad I found this company. Great product. Easy to install.

Happy, happy customer.

Reviewed: 01/30/2018 by Linda Pinder

Easy installation and excellent quality. I can't say enough good things about USI products. Their customer service was very knowledgeable and quickly responded to my questions.

works good

Reviewed: 01/05/2018 by Kevin Graham

Hi, had to replace my detectors since they were starting to go off when I cooked. They were 10 years old. I ordered 2 iono detectors 3 photo detectors and 1 carbon monoxide one all 10 year sealed and wired ones. They all installed and worked good and solved my cooking problem. Also the customer service was very responsive and the items were shipped quickly A+. Kevin

Reviewed: 11/07/2017 by Susan Apgar

Easy to assemble the perfect replacemement for the outdated one

Smoke, Fire & CO2 Detector

Reviewed: 11/02/2017 by Ann Hirsch

When one of my smoke & co2 detectors needed to be replaced, I went online on the USI website. The model I had was no longer available. So I called and got help. I was given 3 choices for a replacement. I chose this one for the 10-year sealed battery. It's really annoying when those batteries go and the unit starts chirping. So far, I am very pleased.

Reviewed: 09/21/2017 by Tyler

Replaced 2 older USI smoke detectors with 2 of these units. Simple installation and great that they have a sealed 10 year backup battery! Very nice to have 3-1 detectors connected to the other units throughout the house!

USI 3-in-1 Hardwired Smoke, Fire & Carbon Monoxide Smart Alarm with 10 Year Tamper

Reviewed: 09/19/2017 by Leonard Ancona

Product I purchased works great. I will purchase all my units from Universal

3in1 Hardwired Smoke, Fire and CO Alarm

Reviewed: 09/04/2017 by Eric Schlegel

Excellent product! Covers all 3 threats and is easy to install!

trick question

Reviewed: 08/20/2017 by Peter Weiskopf

It's like, you got to lose to win. Or is it the other way around. My daughter bought her first townhouse. It had 5 USI 1204 units which were engraved that their lifetime expired in 1999. Well no sense in replacing the batteries. So I ordered a 5 unit box of the MIC1509S. They went in very easy didn't have to do any major surgery. Now do I have to wait for a fire or a CO event to rate these. Sorta hope that it doesn't come to this.

Reviewed: 07/24/2017 by Rick Rose

All should have 10 year battery

Replace existing units

Reviewed: 05/22/2017 by Mark Wheeler

This was as easy as it gets. The new units plugged directly into the existing wiring. The only piece I had to change was the plate as the dog ears are different with the new units. Will be buying some other replacements for smoke detectors.

Excellent product

Reviewed: 02/09/2017 by William Dunbar

I replaced six USI 5304s with the 1509s. It was easy and gave our home protection against carbon monoxide in addition to smoke and fire. During the install of the sixth detector, the battery pull tab broke. Customer service shipped out a replacement immediately and made the return of the broken product convenient. Im very pleased with the product and USI support!

Reviewed: 01/25/2017 by Gerald E Simpson

No problems! Easy to mount and works fine.

Bedroom hallway sensor

Reviewed: 12/16/2016 by Ross Au

Purchased this detector to replace the old bedroom hallway unit. Way more comfortable with the three in one design this detector has for the sleeping level of our home. The 10 year battery makes this a install and forget instrument. Just need to hit the test button on occasion.

Smooth install

Reviewed: 11/29/2016 by William Reupke

Local electrician quickly and easily replaced the existing 30-yr old interconnected detectors with the USI 3-in-1 detectors. Appearance of installation is very neat.

Second set from USI great product

Reviewed: 09/28/2016 by Edward Hollis

Easy to install, great products, like the 10 year battery.