| UPC | 0783863034411 |
|---|---|
| Brand | System Sensor |
| Type | Smoke Detectors |
| MPN | D4120 |
Check the listing for details. System Sensor D4120 4 Wire Photoelectric Duct Smoke Detector. Condition: Used. Listed at 62.00 USD. The System Sensor D4120 is. Plug-in Sensor: Simplifies installation, testing, and maintenance, with improved false alarm immunity. Interconnect Capability: Can be interconnected (up to 50 units) for multi-fan shutdown, and can monitor a second sensor (D4S).
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