Edwards Signaling SD-PH Protective Housing SF 25/02 Although not required

Although not required

The Edwards SD-T78 78-inch Sampling Tube provides effective airflow sampling for duct smoke detection in HVAC systems with ducts up to 78 inches wide

Depending on how the phones are wired

where the individual address of each module is selected using the built-in rotary switches

It provides the MS-9200

Edwards Signaling SD-PH Protective Housing SF 25/02 Although not requiredThe Edwards SD PH Protective Housing offers durable and transparent protection for smoke detectors in a wide range of environments. Whether installed in commercial, industrial, or institutional settings, this accessory ensures that fire detection devices remain secure, functional, and easy to inspect.