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The 3-IDC 8/4 is ideal for retrofit projects where existing wiring
up to four EVS-125w per system
Compatible with 5H/3C heat pump or 3H/4C conventional systems
flashing at 1 Hz over the strobe's entire operating voltage range
System Sensor B200SR-LF-IV Low Frequency Intelligent Sounder Base
Edwards SIGA-SD Duct Smoke Detector SSPKCLPR (904-1445-002) The 3-IDC 8/4 is idealEdwards SIGA SD Intelligent Duct Smoke Detector that detects smoke in a building's HVAC system It is part of the SuperDuct Signature Series and is designed for easy installation. Features Less than 2 inches deep for tight spaces Photoelectric sensor mounted on PCB with onboard intelligence Environmental compensation with patented differential sensing RJ45 interconnection Status LEDs remain visible after installation Cover tamper reed switch Signature