System Sensor D4S InnovairFlex — 4-Wire Photoelectric Duct Smoke Detector, 24 VAC/DC or 120 VAC
$203.00
Duct-mounted smoke detector that shuts down air handlers or signals a fire panel when smoke is detected in the airstream. Typically required on larger commercial HVAC units.
Special Order. This item is not kept in stock. We confirm availability and lead time by email after you order. If we can't supply it within the quoted lead time, you may cancel for a full refund.
New, unused. Free shipping in the lower 48. See our Terms of Service and Return Policy.
Specifications
| Photoelectric, 4-wire | |
| 24 VAC/DC or 120 VAC power | |
| Two DPDT Form-C relays | |
| Airflow range 100–4,000 ft/min | |
| Operating range -4°F to 158°F | |
| Interconnects up to 50 InnovairFlex detectors | |
| Brand | System Sensor |
|---|---|
| Model | D4S |
| Condition | New |
| Facility Surplus SKU | FS-SO-1047 |