Shurflo Aqua King II Premium 40 Multi-Fixture Automatic Demand Pump, Part No. 4148-153-E75 Volts 12 DC Amps 10 GPM 4 PSI 55

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. 8 lbs.