Liquid Flow Switch, Ambient Temperature - Maximum 225 Degrees F, Ambient Temperature - Minimum 0 Degrees F, Connection Size 9/16 in, Connection Type UNF, Contact Rating (DC) 20 V, Filter Rating - Maximum 50 micron, Flow Rate - Maximum 0.75 gpm, Flow Rate - Minimum 1 gpm, Flow Switch Type Piston, Housing Material PPS, Media Temperature - Maximum 225 Degrees F, Media Temperature - Minimum 0 Degrees F, Overall Height 3.8 in, Overall Length 1.9 in, Overall Width 0.9 in, Phase -