What is a 12 Volt Water Pump?
A 12 volt water pump is the ideal way to provide running water to a recreational vehicle (RV), a towed or motorized camper. Its compact size saves space in the confines of the somewhat cramped interior of an RV. Most importantly, its ability to be powered with the ordinary 12 volt, direct current (DC) automobile battery, assures running water no matter whether the RV is parked, whether near to a source municipal electricity, or not. In the typical RV, a 12 volt water pump ordinarily is mounted next to the fresh-water holding tank. The pump is wired to an electrical panel that is, in turn, wired to a separate 12 volt battery, or batteries. There are commonly two hoses attached to the 12 volt water pump, one for drawing the water from the holding tank to the pump, and the other leading from the pump to the tap, or faucet. When the pump is activated at the panel, a small impeller in the pump sucks, or draws the water from the tank, and then pushes it toward the tap. The impeller in an old
