The check valve installed a few feet above the sump lid within the piping is there to ensure the water on flows in one direction – out of the sump pit and not back into it. Float SwitchĪn automatic sump pump is one with a float switch that turns the pump on when the water level reaches a high level in the pit. The pump will be either automatic or manual. Sump Pump TypeĪ submersible or pedestal pump will be within or above the sump basin ready to pump the water to ground level a safe distance away from your home. One is to have the ground water enter the sump pit directly. There are other types of water collection methods for homes. There is always a tradeoff between the two because the energy of the system is constant.Ĭheck out the head loss as flow increases in the graph below of the Zoeller pump model 53/55/57/59: Compared to a sump pump a pressure washer pump has tiny flow rate but very high pressure. Think about a pressure washer for one second as we are on a pressure washer reviews website. Now you should know that the more water the pump needs to pump (flow rate) the less height it will be able to raise all the water. So if your sump pump is 11 feet below ground level (7 foot basement and 4 foot deep sump pit) then to pump the water out you’ll need a pump with an 11 foot head rating. It is the maximum height a certain pump can raise water up. What height does the pump need to push the water to get it to a non-problematic place away from your home.Īll pumps have what is called a pump head (also called head pressure, dynamic head, maximum head or hydraulic head). Waterproofing Youtube video found here.Ģ Most Common Sump Pit Sizes: 30 and 71 Gallons.Ģ. The smaller pit is 30 Gallons and 18″ x 24″ and the larger is 71 Gallons and 24″ x 36″. Here is an image showing the 2 most common sump pit sizes in the U.S. A submersible sump pump sits at the bottom and is fully submerged required more space for the pump, pump base and the piping. The smaller the pit the more likely it becomes you need a pedestal pump. The size of your sump pit basin will often determine the type of sump pump your need.
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