The Simplex 4098-9751 Duct Sensor Housing with Relay is a high-performance smoke detection system designed for HVAC duct applications. This housing accommodates compatible Simplex photoelectric smoke sensors to monitor air samples drawn through the duct, ensuring early detection of smoke or fire conditions. It includes a built-in relay for control functions, allowing integration with fire alarm and building management systems. The rugged, durable design ensures reliable operation in various environmental conditions, making it ideal for commercial and industrial applications.
eBay