How To Test Sump Pump Check Valve. How to know if you have check valve failure. Pour some water into the sump pit and plug the pump back into the outlet.
There are two ways you can check that your sump pump is working correctly. This is the pipe through which your sump pump directs the water from your basement. The pressure of the liquid passing through the pipe will open the valve, while any reversal of flow will close the valve.
How to test your sump pump.
Remove the pipe over the valve with a screwdriver. A check valve is a valve that is used to prevent backflow in a piping system. If you do not have a check valve installed, it will cause your system to work much harder and more often to pump out the same amount. If you do have a sump pump check valve in place, it's important to regularly check it and replace it whenever it gets damaged or corroded.