So, what does a sump pump check valve do anyway?
If you've spent any time poking around your basement's mechanical systems, you might have asked yourself what does a sump pump check valve do and why it's sitting right there on the discharge pipe. It's a relatively small, often overlooked piece of hardware, but it plays a massive role in keeping your basement dry and your wallet full. Without it, your sump pump would be stuck in a frustrating, never-ending cycle of moving the same water back and forth until the motor eventually gives up the ghost. ...