Flow Switch Ambient Temperature - Maximum 140 Degrees F Ambient Temperature - Minimum -14 Degrees F Connection Size 1/2 in Connection Type FNPT Contact Rating (AC) 45 mA @ 30V Contact Rating (DC) 65 mA @ 42V Flow Rate - Maximum 0.46 gpm Flow Rate - Minimum 0 gpm Flow Switch Type Thermal-Dispersion Housing Material 316 Stainless Steel Media Temperature - Maximum 140 Degrees F Media Temperature - Minimum -14 Degrees F Overall Length 4 in Overall Width 1.1 in