Operating Pressure 30 in-Hg max. Connector(s) 1/8-27 NPT Standard Factory Set Points 1.1 in-Hg, 1.5 in-Hg, 3 in-Hg, 4 in-Hg, 8 in-Hg, 9 in-Hg, 12 in-Hg, 22 in-Hg, 22 in H2O, & 25 in H2O Circuitry SPST-NC Burst Pressure ...