Liquid Flow Switch Ambient Temperature - Maximum 212 Degrees F Ambient Temperature - Minimum 0 Degrees F Connection Size 3/4 in Connection Type FNPT Contact Rating (DC) 20 V Filter Rating - Maximum 100 micron Flow Rate - Maximum 0.25 gpm Flow Rate - Minimum 0 gpm Flow Switch Type Piston Housing Material Polypropylene Media Temperature - Maximum 212 Degrees F Media Temperature - Minimum 0 Degrees F Overall Height 3.8 in Overall Length 1.5 in Overall Width 2 in Phase -