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It features a bi-metallic spring sensing element that provides a control range of 50°F to 90°F with a fixed 2–4°F differential
Series Silent Knight EVS-Series Compatible Models IntelliKnight 5820XL-EVS
Detachable connector: Simplifies wiring and field maintenance
The controller combines input/output flexibility with built-in actuation for streamlined installation and operation
Firex 2650-560 Universal Voltage Ionization Duct Smoke Detector for HVAC Fire Protection #Top Conversion It features a bi-metallic springDescription The Firex 2650 560 is an ionization duct smoke detector designed to provide early detection of smoke within HVAC duct systems. It monitors air moving through ventilation ducts to help prevent smoke recirculation and supports automatic shutdown of air handling equipment when connected to compatible fire alarm systems. The detector is suitable for commercial, industrial, and institutional HVAC applications. Technical Specifications Condition
