D4120 Duct Smoke Sensor features:
- Photoelectric, integrated low-flow technology
- Versatile mounting options
- Plug-in sensor offers superb false alarm immunity
- Broad ranges for operating temperature and humidity
- Patented sampling tube installs with no tools required
- Increased wiring space
- One easy-access Test/Reset button and improved LED status
- Patented interconnect feature for multi-fan shutdown
- New high contrast terminal designations
- Built-in short circuit protections
- Field selectable settings for configuring the detector
- Backward compatibility with existing Innovair products