Flow Switch; Applicable Standard CSA; Nominal Size 1/2"; End Connection Female Threaded x Female Threaded; Contact Type SPDT; Enclosure Type NEMA 4X, IP 56; Current Rating 7.4 Amp at 120 Volt AC, 3.7 Amp at 240 Volt AC; Input Supply Rating 120/240 Volt AC at 50/60 Hertz 125 VA; Flow Rate 0.41 to 1.81 GPM Flow, 0.24 to 1.28 GPM No Flow; Temperature Rating 32 to 225 Deg F; Pressure Rating 100 PSI; Mounting Type Horizontal; Inclusions/Features Sensitivity Adjusting Screw Makes Flow Adjustment Easy, Liquid Tight, Water Tight, Dust Tight; Overall Dimensions 5-1/2" Diameter x 4-11/16" Height; Application Air Conditioning, Heating and Hydronic System, Water, Fuel Oil, Viscous Liquids and Oil; Warranty 2 Year from the Date of Manufacture or 1 Year from the Date of Installation