| Brand | System Sensor |
|---|---|
| Type | Smoke Detectors |
| Unit Type | Unit |
| Model | D4120 |
| MPN | D4120 |
| Unit Quantity | 1 |
Check the listing for details. Lot of 4. System Sensor D4120. 4 wire duct dector.. Condition: Used. Listed at 110.00 USD. I have lot of 4 used system sensor d4120 duct detectors. All in good working condition. Recently pulled from a working fire system. And smoke heads.
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