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OEM gas alarm replacement
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Gas Detector Middle East Wholesale China Manufacturer,4G Gas···
Gas Detector Middle Ea···
2026-07-29
Gas Detector Middle East Wholesale China manufacturer. 4G gas detector with catalytic combustion sensor (LEL), auto shut-off valve, 4G Cat.1 cellular alarm, cloud platform monitoring. EN50194 & UL2075 certified. OEM/ODM, wholesale, global shipping to Russia. Contact: wanlinfirecontrol@163.com
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motorized ball valve gas alarm, 4G Gas and CO Combination De···
motorized ball valve g···
2026-07-29
motorized ball valve gas alarm direct from Wanlin Fire Protection — 12-year factory experience, WL-GA203 4G gas detector certified CE/EN50194/UL2075/FCC. Key specs: Electrochemical CO Sensor + Catalytic Gas Sensor + 4G Cat.1 Communication, 4G LTE Cat.1 + Cloud Platform + Dual Alarm (Gas + CO) + SMS/Push/Email + Valve Control. Catalytic/infrared sensor, sole···