Silent Knight SD505-PHOTO - USED Condition:USED Parts will be tested and

Parts will be tested and well packing before shipping

and superior transient signal rejection algorithms to produce unprecedented stability at ultra-high sensitivities across the full temperature range

Alarm Expansion

The P28 and P128 controls operate by measuring the net lube oil pressure and de-energizing the compressor if the pressure falls below the differential setpoint

Silent Knight SD505-PHOTO - USED Condition:USED Parts will be tested andSilent Knight SD505 PHOTO Addressable Photoelectric Smoke Detector is compatible for use with 5700, 5808, 5820XL, and 5820XL EVS IntelliKnight addressable fire alarm control panels programmed for Hochiki protocol. COMPATIBLE BASES: (Sold Separately) SD505 6AB Standard Detector Base SD505 6IB Isolator Base SD505 6RB Relay Base SD505 6SB Sounder Base