Flow Switch; Type Paddle; Applicable Standard UL, CSA; Nominal Size 1"; End Connection Threaded; Enclosure Type NEMA 4; Flow Rate 5.8 to 17.6 GPM; Temperature Rating 225 Deg F; Inclusions/Features Sensitivity Adjusting Screw, Single Pole, Double Throw Snap Switch, EPDM O-Ring Sealed, (4) 1", 2", 3", 6" Stainless Steel Paddles