Preventive Maintenance for your Sump Pump.

5 Steps for DIY Sump Pump Inspections

Before you start, make sure to unplug any electrical power leading to your sump pump.

Check for Debris in Sump Basin

Make sure the sump pump pit is free from debris. You might be surprised a the kinds of things that can end up here as part of typical home live – children’s toys, items stored nearby that fall in, etc.

Anything that falls into the basis can get into the sump pump unit and interfere with moving parts, particularly the float mechanism. The float mechanism has a key role in sump pump operation, so be sure there is nothing interfering with it.

Test the Float

Fill the sump pump pit with water and make sure the float starts and stops the sump pump as designed.

Inspect the Check Valve

The check valves ensure that when the sump pump shuts off, no water will go back into the sump pump pit. However, sometimes these are improperly installed.

There is an arrow on the check valve that points in the direction the water is supposed to flow, which should not be towards the sump pump.

Clean the Weep Hole

Some sump pumps have a “weep hole” between the sump pump and the check valve. You can clean this with a toothpick or other tiny object. Be careful not to break anything into the weep hole.

Clean the Impeller

The impeller is a small filter that can become clogged. If your sump pump has stopped running suddenly or is making a whining noise, this could be the problem.

If you are not mechanically minded, call a reputable local foundation expert or contractor to test your sump pump for you.

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