First Alert SMCO410 Z-Wave Plus Smart Smoke & Carbon Monoxide Alarm for Residential Life Safety

The SMCO410 is built for homeowners, security installers, and property managers running a Ring Alarm system who need a battery-powered smoke and carbon monoxide alarm that reports into that ecosystem. This page covers the working details buyers and installers need: Z-Wave Plus pairing requirements, sealed battery specifications, the official ZCOMBO replacement path, and honest compatibility limits with non-Ring hubs.

JEM Systems ships the SMCO410 brand new in original First Alert packaging. The listing follows the official First Alert spec sheet and product page, so the unit that arrives matches what is described here. In stock and ships fast.

What is the First Alert SMCO410?

The First Alert SMCO410 (manufacturer item 1048325) is a battery-powered smart combination smoke and carbon monoxide alarm with a Z-Wave Plus (500 Series) radio. It runs on a sealed, tamperproof 10-year lithium battery, detects smoke with a photoelectric sensor and CO with an electrochemical sensor, and sends alerts to your phone through a Ring Alarm system. First Alert lists it as the replacement for the ZCOMBO, and it is certified to UL 217 (9th Edition) and UL 2034.

Replaces the First Alert ZCOMBO

First Alert's official product page states it directly: the SMCO410 replaces model ZCOMBO. If you run ZCOMBO or ZCOMBO-G units on a Ring Alarm system today, this is the current model to standardize on.

The practical differences: the ZCOMBO used two replaceable AA batteries; the SMCO410 uses a sealed 10-year lithium powercell, so there are no battery swaps for the life of the unit. The SMCO410 also carries UL 217 9th Edition certification, the current smoke alarm standard. The application stays the same: battery-powered smoke/CO detection reporting into Ring over Z-Wave. In stock at JEM Systems while the item sits at "Special Order" status at ADI Global.

Works with Ring: what you need

Per the First Alert spec sheet, remote alerts require a Ring Alarm or Ring Alarm Pro Security Kit with the Alarm Smoke and CO Listener, plus an Android or iOS device for the Ring app. The Ring base station acts as the Z-Wave controller the alarm reports to. Without a Ring system, the SMCO410 still functions as a standalone UL-certified smoke and CO alarm with its 85dB horn; you only give up the phone notifications.

Key Features

• 2-in-1 detection: photoelectric smoke sensor (fully screened chamber against insects) plus electrochemical CO sensor
• Z-Wave Plus, 500 Series radio with 131.24 ft wireless range
• Works with Ring Alarm and Ring Alarm Pro for app notifications
• Sealed 10-year lithium battery, tamperproof and non-removable; no battery replacement for the life of the alarm
• 85dB at 10 feet (P-Horn, 3kHz)
• Test/silence button electronically simulates smoke and CO conditions
• Alarm Silence for nuisance events and Low Battery Silence for up to 8 hours
• 10-year end-of-life signal tells you when to replace the unit
• Tamper-resistant locking pins for the battery drawer and mounting bracket
• Wall or ceiling mount; mounting hardware included

Ideal Applications

• Ring Alarm and Ring Alarm Pro households that want smoke and CO events pushed to the Ring app
• Direct upgrades of existing ZCOMBO / ZCOMBO-G installations
• Rooms and buildings without 120V alarm wiring, where a hardwired combo is impractical
• Rental and vacation properties where owners want remote notification of smoke or CO events between visits
• Rentals and public-access spaces that benefit from the tamperproof sealed battery (no removable batteries to go missing)

Why Choose the SMCO410?

The SMCO410 replaces the ZCOMBO with one meaningful upgrade: a sealed 10-year lithium battery instead of two replaceable AAs, plus UL 217 9th Edition certification for the current smoke alarm standard. For Ring Alarm and Ring Alarm Pro households, it is the current First Alert model that reports smoke and CO events to the Ring app over Z-Wave Plus.

The alarm also works standalone. Without a Ring system it still functions as a UL 217 / UL 2034 certified smoke and CO alarm with an 85dB horn, so the phone notifications are a feature layered on top of certified local detection rather than a requirement for the alarm to work at all.

Technical Specifications

Compatibility

The SMCO410 is designed for the Ring ecosystem: Ring Alarm or Ring Alarm Pro Security Kit with the Alarm Smoke and CO Listener, per the First Alert system requirements. The Ring base station is the Z-Wave controller.

Beyond Ring, the spec sheet states the alarm "operates with third-party certified Z-Wave devices enabled with the First Alert protocol." First Alert does not list SmartThings, Hubitat, or Home Assistant as supported systems, so we do not promise compatibility with generic Z-Wave hubs; buy on the basis of Ring support or standalone operation.

Related model in our catalog: the BRK SMCO100V-AC, the hardwired 120V interconnectable smoke/CO combo with voice alerts. Pick the SMCO100V-AC where code requires hardwired interconnected alarms; pick the SMCO410 where you need battery power and Ring integration. The two do not interconnect with each other.

What's in the box

• SMCO410 smoke and CO alarm with sealed 10-year lithium battery (factory installed, non-removable)
• Mounting hardware

Box contents per the First Alert spec sheet; check the user manual packed with the unit for the full parts list.

Certifications & standards

• UL 217, 9th Edition (smoke alarms), per the official First Alert product page (the current edition of the standard)
• UL 2034 (single and multiple station carbon monoxide alarms)
• Meets CSFM, FCC, IC, and Z-Wave Plus certification requirements
• Installation must conform to NFPA 72 and NFPA 720 plus local codes

Installation and pairing notes

• No wiring: the alarm is fully battery powered. Mount on a wall or ceiling (within 12" of the wall per the spec sheet) using the included hardware.
• Pairing with Ring: add the alarm as a Z-Wave device from the Ring app and follow the inclusion steps in the user manual. Keep the alarm within Z-Wave range (131.24 ft nominal, less through walls and floors) of the Ring base station or a repeating Z-Wave device.
• Activation: the sealed battery is tamperproof and non-removable. There is no pull tab maintenance cycle; the alarm signals its own end of life after 10 years.
• Placement: follow NFPA 72 and local code, and test after mounting with the test/silence button, which simulates both smoke and CO conditions.
• Use the tamper-resistant locking pins in rentals and public-access spaces.

Frequently asked questions

Does the First Alert SMCO410 replace the ZCOMBO?

Yes. First Alert's official product page lists "Replaces Model: ZCOMBO." The SMCO410 keeps the same battery-powered Z-Wave smoke/CO role and adds a sealed 10-year battery in place of the ZCOMBO's replaceable AAs, plus UL 217 9th Edition certification.

What do I need to connect the SMCO410 to Ring?

Per the First Alert spec sheet: a Ring Alarm or Ring Alarm Pro Security Kit with the Alarm Smoke and CO Listener, and an Android or iOS device running the Ring app. The Ring base station works as the Z-Wave controller that receives the alarm's signals.

How do I pair the SMCO410 with Ring Alarm?

Add it as a Z-Wave device from the Ring app and follow the inclusion steps in the user manual. Keep the unit within Z-Wave range of the base station (131.24 ft nominal, reduced by walls and floors) or within reach of a repeating Z-Wave device on the network.

Does the SMCO410 work with SmartThings, Hubitat, or Home Assistant?

First Alert lists Ring as the system requirement and states interoperability with "third-party certified Z-Wave devices enabled with the First Alert protocol." SmartThings, Hubitat, and Home Assistant are not named as supported platforms, so we do not guarantee operation on generic Z-Wave hubs. Community reports of such setups exist, but buy on the basis of Ring support or standalone use.

Does the SMCO410 work without a Ring system?

Yes. Without Ring, it operates as a standalone smoke and CO alarm: the photoelectric and electrochemical sensors, the 85dB horn, and the UL 217 / UL 2034 certifications all work locally. You only lose the app notifications.

Can I replace the battery in the SMCO410?

No. The 3V lithium powercell is sealed, tamperproof, and rated for 10 years. When the unit signals end of life (5 chirps per minute), replace the whole alarm; this matches the 10-year service life required of the sensors themselves.

What is the Z-Wave range of the SMCO410?

131.24 ft nominal, on the Z-Wave 500 Series (Z-Wave Plus) radio. Real-world range drops with walls and floors; repeating Z-Wave devices on the same network extend coverage.

Why is my SMCO410 chirping?

Three chirps per minute means malfunction; five chirps per minute means the unit reached the end of its 10-year life. In both cases, replace the alarm (the battery is not serviceable). Three full beeps with a flashing red LED indicates smoke; four beeps indicates CO.

Which UL edition is the SMCO410 certified to?

UL 217 9th Edition for smoke, per the official First Alert product page, plus UL 2034 for carbon monoxide. The 9th Edition is the current version of the smoke alarm standard.

Related products

• BRK SMCO100V-AC (in our catalog): hardwired 120V smoke/CO combo with voice and location alerts, battery backup, and interconnect for up to 18 alarms. The right pick where code requires hardwired interconnected alarms.
• First Alert ZCOMBO / ZCOMBO-G (legacy): the model the SMCO410 replaces. If you searched for a ZCOMBO, this page is its current successor.

Related Search Terms

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