Home > System Sensor > SYSTEM SENSOR FIRE ALARM HVAC DUCT SMOKE DETECTOR LD4P120X
Verified: May 26, 2026
SYSTEM SENSOR FIRE ALARM HVAC DUCT SMOKE DETECTOR LD4P120X
~$49.99
The System Sensor LD4P120X is a duct smoke detector designed to detect smoke in HVAC air ducts and activate the fire alarm system.
Key Specifications
- Compatibility: HVAC air duct systems
- Voltage: 24 VDC
- Type: Photoelectric
- Mounting: In HVAC air ducts
- Operating Temperature: 14°F to 140°F
- Alarm Contact Ratings: 2A @ 30 VDC
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