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 0.5 gpm Flow Rate - Minimum 0 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 -