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HS-100 Series plenum smoke detectors provide early detection of smoke and products of combustion present in air moving through HVAC plenum return systems in commercial rooftop package unit Applications
two-wire systems where the individual address of each module is selected using rotary decade switches
Blank dress panel
Amerex B417TS (2 Straps) 2
A weatherproof duct housing enclosure allows conditioned air to circulate through the air duct to maintain the sensor housing within the rated temperature range
Macurco R-454C Gas 50% LEL Vesda HS-100 Series plenum smoke detectorsRefrigerant Cal Gas Cylinder 34L 50% LEL R 454C (M) Bump Calibration (NCNR)