GS828Z
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GS828Z
Carbon Monoxide Alarm
This alarm is designed to provide comprehensive CO protection with features like peak CO concentration memory, allowing you to review the highest detected levels even after the danger has passed. It includes a continuous fault self-test mechanism to guarantee the sensor is always effective and ready. A large silence button makes alarm control easy, and an automatic end-of-life warning ensures you know exactly when the device needs to be replaced.
Bullet Points
Z-Wave 800 Series Integration
Features the latest Z-Wave 800 series module for enhanced security and seamless integration with your favorite smart home security systems.
Advanced CO Detection
Equipped with an independently developed, high-precision electrochemical sensor that accurately detects dangerous carbon monoxide levels.
Peak Concentration Memory
Stores the highest CO concentration detected during an event, providing critical information for post-incident assessment and medical responders.
Continuous Self-Testing
Performs regular fault self-tests to ensure the sensor and circuitry are functioning correctly, guaranteeing your safety is never compromised.
Peak Level Memory
Records and displays the highest CO level detected since the last alarm for 7 days.
Easy Alarm Control
Features a prominent silence button that allows you to easily mute the 85dB alarm during non-emergency situations.
End-of-Life Warning
Proactively alerts you when it is time to replace the entire unit.
One-Touch Hush Button
Quickly silences nuisance alarms and low-battery chirps.
Versatile & Portable
Compact design for wall/ceiling mounting.
Key Specifications
Power SupplyBuilt-in 5-Year Battery
Wireless TechnologyZ-Wave 800 Series
Sensor TypeElectrochemical
Alarm Volume> 85dB @ 3m
Compliance StandardUL2034 5th Edition



Usage Scenarios
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Kitchen Safety
Monitor CO levels near gas appliances and stoves where carbon monoxide risks are highest.
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Bedroom Protection
Ensure overnight safety by detecting dangerous CO accumulation while your family sleeps.
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Exhaust Detection
Provides critical early warning if vehicle exhaust fumes begin to build up and seep into adjacent living spaces.
Kitchen
Bedroom
Garages
Why Siterwell

With over a decade of expertise in IoT and safety technology, Siterwell partners with businesses worldwide to create smarter, safer living environments.

Backed by strong R&D capability, global certifications, and a 56,000 m² production base, we deliver both innovation and reliable large-scale manufacturing.
From award-winning designs to proven global delivery across Asia, Europe, and the US, we focus on building long-term partnerships that drive mutual growth and success.

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