Siemens 171A-10304 HENRIQUE The XP95 Heat Detector (A2S)

The XP95 Heat Detector (A2S) monitors temperature by using a single thermistor which provides a count output proportional to the external air temperature

The System Sensor M500X Fault Isolator modules enable part of the communications signaling line circuit to continue operating when a short circuit occurs

The door comes hinged to the left side of the box

and thanks to an ingenious optional full backplane sealing gasket

and the DS7457iF

Siemens 171A-10304 HENRIQUE The XP95 Heat Detector (A2S)2 way 1 2 inch, 2. 5 Cv ball valve assembly with chrome plated brass ball and brass stem, floating fail in place actuator, 200 psi close off, NPT