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UL 521 heat detector
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UL 521 heat detector for UK Buyers: Smart Fire Safety Export···
UL 521 heat detector f···
2026-09-01
Wanlin Fire - China source manufacturer for UL 521 heat detector. Featured model WL-TH-CO (CO & Combustible Gas Detector): Semiconductor combustible gas: LPG / natural gas / methane; EN 50194-1: alarm before 10% LEL (LPG) / 8% LEL (methane); 85 dB at 3 m sounder + relay + solenoid valve output; -10 to +50 deg C, 0-95% RH. Full lineup: smoke and heat detector···
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heat detector for smart home, Wireless Interconnected Heat A···
heat detector for smar···
2026-07-10
heat detector for smart home direct from Wanlin Fire Protection — 12-year factory experience, WL-HD905 fully certified UL 521/EN 54-5/CE/FCC/RoHS/REACH. Key specs: RF 433MHz Mesh + 4G LTE Backup, Fixed Temperature + Rate-of-Rise + RF Mesh Networking, 10-year sealed lithium battery. MOQ 100 units, 25-30 working days, OEM/ODM custom branding available. Servin···