Shurflo - Aqua King II Fresh Water Pump - 4148163E75Designed 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