The basic idea is that the valve only allows water to flow one way. You should find this valve on the vertical discharge pipe above the sump pump. The second possible cause of your sump pump never turning off is a faulty check valve. But if the part is simply broken or worn out, you’re better off replacing the entire sump pump than spending the money replacing the float. Sometimes, this can be a simple adjustment to give the float the room it needs. Or, it can get caught in the pump electrical cord. It could shift positions and get pinned against the pit wall. Over time or due to poor installation, the float stops moving as smoothly as it should. The float is attached to an arm – and once that arm reaches a certain point, it triggers the sump pump to activate and push the water from the pit up through the discharge pipe, where it is released outside or into the storm sewer. As this happens, the float (which usually looks like a plastic ball) sits on top of the water and goes along for the ride. As groundwater enters the sump pump pit, the water level rises. Here’s how the float is supposed to work. When we get called to inspect a sump pump that is repeatedly cycling, the issue involves the float more often than not. The float switch is stuck or obstructed.Two reasons why your sump pump keeps cycling Let’s take a deeper look at these two issues so you can hopefully get your sump pump running like normal. The most common causes of a sump pump that won’t turn off include a stuck float arm or a faulty check valve. However, unless there’s torrential rain, the sump pump shouldn’t constantly be running, or the unit may burn out. Another example of too much of a good thing is when you hear your home’s sump pump cycling and not turning off.Ī sump pump is an essential appliance to keep your basement dry, clean, and healthy. Can you have too much of a good thing? Well, have you ever eaten too much ice cream too fast? Hello, brain freeze.
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