Shurflo 49010211 Aqua King Prem 12V 4.0 Gpm

The Smart Sensor series is a micro-processor control based variable speed pump. Shur-Flos Smart Sensor precisely monitors your systems water pressure and adjusts the motors speed, thus eliminating the need for a pressure switch. Corrosion resistant coated seamless motor shell and o-ring sealed end bells along with the protected electronic package make the Smart Sensor capable of handling even the harshest marine environments. Quick connect fittings included. Runs dry without damage. Ignition Protected. Self priming, 3 Year Warranty.