Liquid Flow Switch, Ambient Temperature - Maximum 275 Degrees F, Ambient Temperature - Minimum -20 Degrees F, Connection Size 3/8 in, Connection Type NPT, Contact Rating (DC) 20 V, Filter Rating - Maximum 100 micron, Flow Rate - Maximum 0.15 gpm, Flow Rate - Minimum 0 gpm, Flow Switch Type Piston, Housing Material Brass, Media Temperature - Maximum 275 Degrees F, Media Temperature - Minimum -20 Degrees F, Overall Height 1 in, Overall Length 3.5 in, Overall Width 0.9 in, Phase -