Designed for boats with multiple fixtures, these pumps provide "just like home" shower pressure, yet can operate at low flow conditions without cycling. A built in mechanical bypass function enables the pump to vary the flow rate for any demand condition, without the need for an accumulator. Heavy duty motor built to withstand the marine environment with electro-coated seamless shell, O-ring sealed end bells, and fully sealed wire entries on the motor shell and pressure switch. Pumps can run dry without damage. Inlet strainer and 1/2" hose barb fittings included. Ignition protected. Thermally protected. 3 year warranty. GPM 4.0 PSI 55 Volts 12 Amps 10 Size 10" x 5" x 4-3/4"