Fire-Lite DNR InnovairFlex Intelligent Low-Flow Non-Delay Duct Smoke Detector Housing

Keep HVAC systems and protected areas safe with the Fire-Lite Alarms by Honeywell DNR InnovairFlex duct smoke detector housing — engineered for reliable, low-flow detection and long-term uptime. This duct & beam smoke detector housing provides watertight NEMA-4 protection and operates across airflow speeds from 100 to 4,000 feet per minute and temperatures from -4°F to 158°F, so it performs consistently in demanding environments where monitoring and building security matter most. The InnovairFlex design streamlines installation and service: a patented sampling tube installs from the front or back with no tools, a 3/4" conduit knockout and ample internal space accommodate relay modules and wiring, and a cover-tamper feature alerts technicians to removed or misinstalled covers. Compatible with previous Innovair models and remote test accessories, the DNR housing simplifies upgrades and system integration with fire alarm control panels and surveillance/monitoring platforms. Ideal for commercial HVAC shafts, data centers, and critical infrastructure, this housing helps reduce false alarms and maintenance time. Protect your facility’s air-handling systems—specify the Fire-Lite DNR InnovairFlex for dependable duct smoke detection today.

• Reliable smoke detection in harsh environments thanks to NEMA-4 watertight, UV-resistant housing
• Low-flow, photoelectric sensing detects smoke in airflow from 100 to 4,000 fpm to protect HVAC ductwork and critical spaces
• Simplified installation and maintenance with a front-access sampling tube, 3/4" conduit knockout and generous wiring space
• Cover tamper and clear cover for quick visual inspection reduce downtime and simplify facility monitoring
• Flexible integration: accepts addressable relay modules (CRF-300) and supports remote testing for seamless security system integration