1 HP Automatic Submersible Water Pump, Portable Sump Pump with Integrated Float Switch 4000GPH Utility Pumps for Pool Tub Garden Pond Flooded Basement Draining 1HP 4000GPH is up for auction in Patio, Lawn & Garden. The current bid is $7.00, 85% below the $46.95 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.