WAL-TQ3700, Walrus 5 HP Electronic Pump | TQ3700 Walrus America has designed the TQ series pumps to be an ideal solution for residential, commercial and light industrial applications needing a water supply of pressure boost. These pumps are designed for use with potable, clean non-potable water, or other non-corrosive liquids. The TQ pumps are a complete, all in one unit with a pump, motor, pressure tank, and electronic controller included. This pump is rated at 5 horsepower and has a 2" NPT inlet and 2" NPT outlet. TQ series pumps are drip-proof and thermally protected for safe operation.