
Reference: tuya-fm400-zb
Brand: Tuya
Tuya Smart ZigBee Water-Gas Control Manipulator
ZigBee Water-Gas Control Manipulator
The Tuya combined intelligent Methane Gas (CH₄) and Carbon Monoxide (CO) detector is designed to offer
advanced, continuous protection against two of the most dangerous threats in home and business environments.
Thanks to the Zigbee connection, the 10-year long-life sensor, the integrated ≥85 dB siren and the display, it is the device
ideal for monitoring air quality in real time and reacting promptly in the event of gas leaks or CO accumulation .
It is compatible with the Tuya Smart and Smart Life apps, and can be integrated into automated home automation scenarios for easy management.
intelligent and personalized security. The compact design, 220V power supply and integrated LCD display make
This detector is the ideal choice for apartments, Airbnbs , vacation homes, hotels , restaurants and residential settings.
This detector is equipped with two high-precision sensors : an electrochemical one for carbon monoxide (CO) and a catalytic one.
for combustible gases such as methane and natural gases. It promptly detects dangerous concentrations of both gases ,
emitting a loud audible alarm (≥85 dB) and a visual signal on the display and LED lights. Protects against gas leaks from
stoves , boilers or heaters, and from CO poisoning, which can be fatal even at low concentrations.
The detector connects via Zigbee protocol to compatible gateways and can be managed directly from your smartphone
via the Tuya Smart or Smart Life apps . Once configured, it allows you to receive alarm notifications in real time ,
view the detected data, consult the history of CO and Gas concentrations, set up intelligent automations, such as
turning off the boiler, turning on emergency lights or sending alerts to other connected smart devices.
To control the device remotely, you need to use a compatible Tuya Zigbee Hub , which acts as a bridge.
The display shows the carbon monoxide concentration in ppm (parts per million) in real time or indicates the word GAS
in the event of a methane or other fuel leak. The red warning lights flash differently depending on the type of
alarm ( CO or gas ), while a yellow light warns in case of failure, end of life or sensor problems.
In case of detection of dangerous concentrations, the device activates a high intensity audible alarm (≥85 dB), audible even
remotely, to ensure a rapid reaction. The alarm continues until the gas or CO level returns below the safety threshold.
The detector connects directly to the electrical network via power cable , ensuring continuous operation 24/7.
It does not require batteries, avoiding the risk of shutdown or false alarms caused by low battery.
The body is thin, light and modern. It can be installed on the wall or ceiling , depending on the type of gas to be detected.
If light gases such as methane or CO are detected, installation above ground is recommended.
Thanks to the integration with the Tuya Smart or Smart Life app, the detector supports advanced automation functions that make it
make them an active part of your home automation ecosystem. You can connect it to other Tuya smart devices to create scenarios.
customized safety devices, capable of automatically intervening in the event of a gas or carbon monoxide alarm.
For example: You can create a scene to activate a smart siren or an additional horn.
You can create an intelligent automation where, in case of detection of a methane gas leak, the smart manipulator
connected to the gas valve , it closes and automatically interrupts the supply.
Compliant with EN50291-1:2018 (CO) and EN50194-1:2009 (gas) standards , this detector is designed for use
residential or commercial and ensures long-term accuracy, reliability and safety.
Sensor life: approximately 5 years . The device automatically signals the end of the sensor's useful life and
includes a TEST button to check its operation. Ideal for proactive and surprise-free security.
Methane gas (CH₄) above 8% LEL (≈4000 ppm)
Carbon monoxide with alarm thresholds compliant with EN50291-1:
50 ppm → alarm within 60–90 minutes. 100 ppm → within 10–40 minutes. 300 ppm → within 0–3 minutes
Reference: tuya-fm400-zb
Brand: Tuya
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