This contractor grade Zoeller control box is required for 1/2 HP, 3-wire, 230 Volt submersible well pumps. Starts submersible well pump. Replaceable capacitors. Replaceable relay switch. Control box required for 1/2 HP, 3-wire, 230 Volt submersible well pumps Designed for outdoor applications Features heavy-duty terminal block for secure connections Side and bottom knockouts provide for easy wire installation Type: Control box Low Pressure: N/A Material: Steel On/Off Pressure Setting: N/A Package Contents: Well Control Box - 1/2 HP 230V Package Quantity: 1 Warranty: 1-year limited CA Residents: Prop 65 Warning(s): Yes UNSPSC: 40151500