Liquid Flow Switch, Ambient Temperature - Maximum 212 Degrees F, Ambient Temperature - Minimum 0 Degrees F, Connection Size 1/2 in, Connection Type NPT, Contact Rating (DC) 20 V, Filter Rating - Maximum 150 micron, Flow Rate - Maximum 3 gpm, Flow Switch Type Piston, Housing Material Polypropylene, Media Temperature - Maximum 212 Degrees F, Media Temperature - Minimum 0 Degrees F, Overall Height 1.9 in, Overall Length 5.9 in, Overall Width 1.3 in, Phase -, Set Point Configuration Fixed