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System Sensor 2151 Photoelectric Smoke Detector photoelectric smoke detectors contain a unique optical sensing chamber designed to sense smoke particles produced by a wide range of combustion sources. A custom integrated circuit incorporates signal processing to reduce false alarms. System Sensor 2151 Photoelectric Smoke Detector’s unique optical sensing chamber is engineered to sense smoke by a wide range of combustion sources. Dual electronic thermistors add 135°F fixed temperature thermal sensing on System Sensor 2151 Photoelectric Smoke Detector.
| Warranty | |
| Warranty Support | 1 year warranty from System Sensor Indonesia |