System Sensor 2D51 Smoke Detector Els PW 17895 Optimized Moisture Output: Patented PerfectFlo

Optimized Moisture Output: Patented PerfectFlo technology ensures an even flow rate across the entire humidifier pad for maximum evaporation

35" WC set point prevents nuisance tripping while maintaining strict combustion safety standards

Built to withstand the high inrush currents typical of AC compressor startup

Differential expansion

System Sensor 2D51 Smoke Detector Els PW 17895 Optimized Moisture Output: Patented PerfectFloThe System Sensor 2D51 is a low profile plug in photoelectric smoke detector engineered specifically for special application smoke detection within HVAC duct systems. This head is designed for seamless integration with the D4P120 power board and requires a B210LP detector base for proper field installation. Featuring a 24Vac dc or 120Vac supply voltage range when used with the appropriate power module, the 2D51 utilizes advanced photoelectric sensing