Act fast and order the Grundfos 98315258 Sa-Spm6 Control Box 3Std at PlumbersStock online. This Submersible Pump Control Box is specifically designed for a wide range of Grundfos 1/2 to 5 HP (Horse Power) MS 3-Wire, Single Phase Motors. This Control Box is equipped with a heavy-duty epoxy coated steel frame that protects the controls from harsh winter and summer conditions. This Control Box features a quick removal cover that will electrically disconnect the system. This Grundfos 98315258 SA-SPM6 Control Box is warranted to the original user only to be free of defects in material and workmanship for a period of 24 months from the date of installation. Grundfos manufactures plumbing solutions that are both innovative and practical.