A sump pump is used to help keep your cellar or crawle dry, it is a very important appliance in your home and our guide and infographic explains why..RIDGID Horsepower Submersible Sump Pump With Diaphragm Switch Stainless steel and cast iron housing. A.sion resistant. For use with basins in. or wider..Getting Started Selecting the right sump pump Your best defense against flooding. Installing a sump pump typi.y takes about minutes and can be done with common household tools..A sump pump always comes in handy to keep the house dry and flood free!! Here are the incomparable reviews from experts to help you choose the best sump pump..