AQUA KINGâ„¢ II Premium Fresh Water Pump - 12VDC - 4.0 GPMSHURFLOr's AQUA KING II fresh water pump is designed for boats with multi-fixtures providing "Just like home" shower pressure, and can operate at lower flow conditions with low cycling. A built in mechanical bypass function enables these pumps to vary the flow rate for any on demand condition, without the need for an accumulator. With a heavy duty motor built to withstand the tough marine environment, this motor features an electro-coated seamless shell motor, O-ring sealed end bells, and complete sealed wire entries on the motor shell and pressure switch. The AQUA KING II fresh water pump can run dry without damage. Inlet strainer and 1/2" hose barb fittings are included (aftermarket models only). Ignition protected. Thermally protected.Features: 4901 Replacement Sealed Switch Sealed Motor Corrosion Resistant Electro Coated Motor Independent Chambers Built-In Check Valve Co-Molded Diaphragm Adjustable Switch & By-Pass Self-Priming up to 6 Feet Dry Run Capability Thermally Protected Ignition Protected, CE