Flow Switch, Ambient Temperature - Maximum 300 Degrees F, Ambient Temperature - Minimum 32 Degrees F, Connection Size 1 1/4 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 4.8 gpm, Flow Rate - Minimum 4.8 gpm, Flow Switch Type Paddle, For Pipe Size 1 1/4 in, 16 in, Housing Material Brass, Media Temperature - Maximum 300 Degrees F