System Sensor D4120W Detector Els PW 17895 Its solid-core construction ensures superior

Its solid-core construction ensures superior stability compared to standard hall-effect sensors

you should verify if part numbers 512-200-078 or 512-200-079 are required for your specific manifold configuration

This model is set to 250/190 PSI

If your coil is burnt out or shows signs of insulation failure

System Sensor D4120W Detector Els PW 17895 Its solid-core construction ensures superiorThe System Sensor D4120W is a high performance 4 wire photoelectric duct smoke detector specifically engineered for harsh environments and outdoor rooftop HVAC installations. This air duct smoke detector features a NEMA 4 watertight enclosure, providing superior protection against windblown dust, rain, and splashing water. Utilizing integrated low flow technology, the unit operates efficiently in airflow speeds ranging from 100 to 4,000 feet per