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First Alert ZCOMBO-G Z-Wave enabled Battery Operated Combination Photoelectric Smoke and Carbon Monoxide Alarm
First Alert ZCOMBO-G


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Z-Wave enabled battery operated photoelectric smoke/CO combo alarm. It will NOT WORK with the Onelink System! It is compatible and will link the hubs from Nexia Home Intelligence, Iris Smart Hub, and other Z wave technologies. BRK ZCOMBO-G has been fully tested and complies with, UL217, UL2034, CSFM, NFPA 72, NFPA 720 and NFPA 101 and other agencies that model their codes after the above agencies. It meets building codes where battery operated Z-Wave wireless smoke and CO alarms are required along with silence features and with model building codes published by the ICC.

BRK ZCOMBO-G is a state of the art wireless combination smoke and CO alarm designed to provide early warning of a fire or CO. It features a fully insect screened Photoelectric smoke sensing chamber and an electrochemical carbon monoxide sensor, an 85dB horn, a supervised 3V (2 AA batteries) power supply, a full function test switch and a silence feature. This combination alarm will operate with 3rd party, certified Z-Wave devices and the basic command class required by all Z-Wave devices. By the requirements of the Device Class spec, this command class does not have to be mapped to any particular functionality for this device. The alarm supports one association group with up to 1 node, and sends its alarms to that group. The alarm supports configuration parameter #1, which has a size of 1, a default value of 0, and when set to 1 causes the device to send double alarm messages.

It also features tamper resistant locking pins that lock alarm to the mounting bracket and battery drawer to prevent removal of battery or alarm. Perfect for apartment, dormitory or hotel applications. Designed for wall or ceiling mounting. Includes mounting anchors and screws.


Operates with 3rd party, certified Z-Wave devices
Single button test/silence
Photoelectric Smoke and Electrochemical CO Sensors
2AA Batteries - Save 33% on annual battery replacement costs vs. other smoke/CO combo alarm brands that use 3 AA bateries.
End of Life Signal provides audible notification alarms needs to be replaced
7-Years Limited Warranty
Alarm Dimensions: 5.0”Dia. x 2.0”H
Weight: 8.4 oz
Operating Voltage: 3V (Two 1.5V AA) Battery Powered
Temperature Range: 40°F (4°C) to 100°F (38°C)
Humidity Range:10% to 95% relative humidity (RH)
Audio Alarm: 85dB at 10 feet
Wireless Frequency: Z-Wave
Test/Silence: Electronically simulates smoke and CO condition, causing the unit to alarm. Press and hold test/silence button.
Alarm Reset: Automatic when smoke and/or CO clears
Smoke Sensor: Photoelectric
CO Sensor: Electrochemical
Listing: Listed to UL217 and UL2034 Standards

Average Rating: Average Rating: 5 of 5 5 of 5 Total Reviews: 80 Write a review »

  0 of 0 people found the following review helpful:
5 of 5 A+ June 20, 2019
Reviewer: Cristina I from Ferndale, MI United States  
Fair prices, as described, prompt shipping.  I plan on ordering from at least one more z-combo from this site again.

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  1 of 1 people found the following review helpful:
5 of 5 Ring Security enhancement January 11, 2019
Reviewer: Roger from Charleston, SC United States  
Easily added to my new Ring system to provide this additional element to my monitored system.  Gives me a good feeling to know I'm protected 24x7.

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  0 of 0 people found the following review helpful:
5 of 5 Z Wave Dual Detector January 1, 2019
Reviewer: Anonymous Person from Las Vegas, NV United States  
Easy to setup and so far, no false alarms, used with Vera Plus

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  0 of 0 people found the following review helpful:
5 of 5 Great prices, fast shipping August 31, 2018
Reviewer: Gary McCready from Salisbury, MD United States  
I've ordered from them twice now, and was pleased both time with the experience.  They are the least expensive place to get the Z-wave alarms, so I can integrate them into my Smartthings "smart home".

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  0 of 0 people found the following review helpful:
5 of 5 Fast Service / Great Prices August 30, 2018
Reviewer: Jean Rearick from Roswell, GA United States  
The website explains everything in detail and is easy to use. The product arrived quickly and was new.

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