When I first moved into this house, I found these odd covers in my basement, which turned out to be sump pumps designed to pump water out of the basement during periods of rain/high water tables. But do they even work? Here's how to find out -- and what to do if they don't. _ _ If you found this video valuable and wish to support the channel, below is my Amazon affiliate page. By purchasing anything through this link, I will receive commission at no extra cost to you. Thank you! https://www.amazon.com/b?_encoding=UT...