Flow Switch; Type Paddle; Applicable Standard UL, CSA; Nominal Size 1-1/4"; End Connection Male Threaded; Contact Type SPDT; 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 4.8 to 7.7 GPM Flow, 3 to 5.9 GPM No Flow; Temperature Rating 32 to 300 Deg F; Pressure Rating 300 PSI; Inclusions/Features Sensitivity Adjusting Screw Makes Flow Adjustment Easy, Liquid Tight, Magnetic Switching Mechanism; Overall Dimensions 5-13/16" Length x 2-7/8" Width x 9-1/2" Height; Minimum Ambient Temperature 32 Deg F; Maximum Flow Rate 47 GPM; Application Heating and Hydronic System, Air Conditioning, Refrigeration; Warranty 2 Year from the Date of Manufacture or 1 Year from the Date of Installation