System Sensor AD4P120 Duct Smoke Detector Power Board - $50 (Chatsworth)

System Sensor AD4P120 Duct Smoke Detector Power Board 1

make / manufacturer: System Sensor

model name / number: AD4P120

delivery available

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System Sensor AD4P120 duct smoke detector power board (4-wire, photoelectric).
Rated for 100-4000 FPM duct air velocity.
Power board only. Removed from a commercial HVAC unit. Sold as-is.
Pickup in Chatsworth.
Call/text 818-300-5314.

post id: 7978711269

posted: 2026-10-05 20:21

updated: 2026-10-05 20:21

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System Sensor AD4P120 Duct Smoke Detector Power Board -...

System Sensor AD4P120 duct smoke detector power board (4-wire, photoelectric). Rated for 100-4000 FPM duct air velocity. Power board only. Removed from a commercial HVAC unit. Sold as-is. Pickup in...