A sump pump is a pump that is used to remove water that has accumulated in the sump pit, usually in the lowest part of the basement or cellar. This water can accumulate in two ways. One way is when the water enters via the perimeter drains of the basement waterproofing system and funnels into the pit. Another way is when the basement is below the water table level and water leaks into the basement.

* A submersible pump is about 12 inches tall and is placed completely inside the tank inside the bottom of the pit. Some contain a float switch to turn the pump on when needed. This switch is electrical and encased in a hard plastic bubble and floats when the water rises. When the water reaches a certain height, the switch turns on to activate the pump.

Submersible pumps are located on the bottom of the units and the water is sucked up through the bottom. This type of pump also comes with a grate or screen over the face of it to keep any debris from getting into the impeller, which could clog the pump.

* A pedestal pump is mounted on a small pedestal and stands about 30 inches tall. The motor of this pump has a pipe that extends to the bottom of the pit and it too has a float switch to activate the pump. Since the motor of this type of pumps is not designed for underwater use, the switch will activate the pump before the water reaches the bottom of the pumps motor.

To allow space for the pump and the piping as well as the water storage between pumping, sump pits should be about 2 feet in diameter.

It is advisable to use a liner when constructing a pit for your sump pump and plastic is a preferable material. Metal can also be used in it's construction. Be sure to place 3 to 4 inches of course gravel should be placed in the bottom of the pit when installing the liner.

One of the worst things a homeowner may experience is a basement that constantly leaks with every rain or snow melt or a basement that is flooded. One of the ways to prevent this from happening is with a sump pump. Sump pumps are handy devices that help you maintain the value of your home. Not only do they protect your belongings and your foundation from water damage, but they also save you thousands of dollars in water damage repairs.