Heavy-duty 12-volt DCSC washdown pumps from Moro USA have a maximum delivery rate of 20 gpm at 42 psi, with a 1 hp, 12-volt DC motor, a 1-inch discharge, and 1 1/4-inch intake. They come with a high-grade stainless steel impeller and Viton elastomers, and include a pressure switch and 12-volt solenoid allowing full-control flow at the nozzle without damaging the pump. They have an industrial-grade, epoxy-coated, painted motor to protect against rust, and a cast iron pump head. The DCSS model has a stainless steel pump head that won’t break in freezing winter temperatures. 800/383-6304; www.morousa.com.