Pressure Switch, Differential 4.2 to 13.2 psi, Range 3 to 150 psi, Port Type 1-Port 1/4-18 in FNPT, Contact Form 1NO/1NC, NEMA Rating 1, Actuation Type Diaphragm, Action Standard, Series 9012G, Ambient Temp. Range -10 Degrees to 185 Degrees F, Media...