Flow Switch, 1/2 In. SPDT, Connection Size 1/2 in, Connection Type NPT, Contact Rating (AC) 22.2 A @ 240V (Locked Rotor), 3.7 A @ 240V (Full Load), 44.4 A @ 120V (Locked Rotor), 7.4 A @ 120V (Full Load), For Pipe Size 1/2 in, Media Temperature - Maximum 225 Degrees F, Media Temperature - Minimum 32 Degrees F, Overall Height 4.4 in, Overall Length 3.8 in, Overall Width 3.8 in, Standards CE, CSA Certified, UL Listed, Switch Type SPDT