Flow Switch Ambient Temperature - Maximum 225 Degrees F Ambient Temperature - Minimum 32 Degrees F Connection Size 3/4 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) Flow Rate - Maximum 0.12 gpm Flow Rate - Minimum 0.12 gpm For Pipe Size 3/4 in Media Temperature - Maximum 225 Degrees F Media Temperature - Minimum 32 Degrees F Overall Length 3.7 in Phase -