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D2A Photoelectric Duct Smoke Detector

The InnovairFlex D2A 2-wire photoelectric duct smoke detector
features a pivoting housing that fits various applications: both square
and rectangular footprints mount to round or rectangular duct work.

This new duct smoke detector senses airflow speeds ranging
from 100 to 4,000 feet per minute with proven System Sensor
precision. The enhancements built into this model improve false
alarm immunity (with plug-in sensor head); broaden operating
temperature (-4ºF to 158ºF) and humidity (0 to 95 percent noncondensing)
ranges; while simplifying installation and maintenance.
These advance features can detect smoke even in the harshest duct

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