System Sensor D4120 12/01 The MLH Series is a

The MLH Series is a two-wire 4-20mA gauge pressure sensor

The Simplex 4098-9403 is a conventional

Powerseries 8 Zone PC1864 PCB Only

The OSYEXP is intended for use with outside screw and yoke type valves

The DVP-1200 comes standard with four relays

System Sensor D4120 12/01 The MLH Series is aThe InnovairFlex D4120W watertight 4 wire photoelectric duct smoke detector is UL listed as a watertight enclosure providing protection against falling dirt, rain, windblown dust, splashing and hose directed water. D4120W duct smoke detector features a pivoting housing that fits various applications: both square and rectangular footprints mount to round or rectangular ductwork. This unit senses smoke in the most challenging conditions, operating in