Johnson Controls 4098-9686 TrueAlarm Duct Detector Housing 0631139

The Simplex 4098-9686 TrueAlarm Duct Detector Housing is a highly reliable and efficient solution for monitoring air ducts for smoke and combustion products in commercial, industrial, and institutional facilities. Designed to ensure optimal protection, this duct housing integrates seamlessly with Simplex fire alarm systems, leveraging TrueAlarm analog sensing technology for precise detection and timely response. The 4098-9686 features a rugged, clear housing that allows easy visual inspection of internal components, promoting faster maintenance and troubleshooting. Engineered for compatibility with a range of HVAC systems, the housing includes a sampling tube that extracts air from the duct and passes it over the sensor, ensuring early detection of smoke or particulate hazards before they spread into occupied spaces. Its compact, lightweight construction simplifies installation, while built-in tamper switches help safeguard against unauthorized access or accidental dislodgment. Maintenance is streamlined with a front-accessible sensor and tool-free cover removal, reducing system downtime. The Simplex 4098-9686 ensures compliance with NFPA standards and is UL-listed for peace of mind. With its superior sensitivity, reliability, and ease of use, this duct detector housing is the ideal choice for critical smoke detection applications where early warning is crucial to safeguarding people, property, and operations.