IGENGYUN | Product overview GY-FL251-TH / Smoke sensing device Extend environmental awareness with a dedicated smoke-sensing device. Start a technical conversation about the correct installation and system fit. PRODUCT INFORMATION Function: Smoke sensing Form: Ceiling-mounted circular housing Model: GY-FL251-TH Power and interface: Request current datasheet Certifications: Request applicable documentation System compatibility: Confirm for intended installation APPLICATION STARTING POINTS Commercial interiors, Equipment spaces, Storage areas IMPORTANT Life-safety use requires confirmed product certifications and a compliant system design. No certification is claimed in this preview. This overview is not an installation datasheet. Confirm current technical documentation before selecting or installing the product. Website route: /products/fl251