How to Fix Sump Pump Float Switch?

Fixing a sump pump float switch is something that you might have to do now and then. The process itself is not as complicated as you might think. But you need to be aware of the right steps to get it done fast and safe. In this guide, we will talk about everything you need to know about how to fix sump pump float switch!

Keep reading, and do it all yourself without any hassle! You don’t need special tools to perform the steps in this guide, but a screwdriver might come handy.

When Do You Need to Fix the Float Switch of Your Sump Pump?

The float switch is responsible for activating your pump at higher levels of water. Thanks to the float switch, you will not risk spreading water around your home in a potential hazard.

If the float switch doesn’t work correctly, your pump will not extract the waste you need it to get rid of. It might spread it in areas you don’t want it to reach. The first thing you should do to avoid such an unpleasant situation is to keep your float switch free of grime.

How to Fix Sump Pump Float Switch?

If you are wondering how to fix sump pump float switch at home, here are all the steps you need to be aware of!

Unplug Your Pump and Take the Tubes Off

You will need to remove your pump from the basin and take off all the plumbing tubes connected to it. Make sure you also unplug the pump, so no electricity runs through it too. Once you did that, clean the residue or grime off your pump with a dry cloth.

Use A Hose To Clean The Float Switch

Once the rest of your pump is clean, you have to focus on removing grime from your float switch. To do that efficiently, you will have to use a high-pressure hose. Spray the float switch with the hose until it is completely clean. After you do this, you should use a dry cloth again to make sure to get rid of any water excess or humidity on your sump pump float switch.

Check the Wires of the Float Switch

Before you put the sump pump together and start using it again, you need to make sure that your wires are working right. You might need a screwdriver to get rid of some screws when you take off the float cap. Each pump is different, so you should pay attention to how you take it apart because you will need to put it back together. You can snap a picture or make some notes as you do that, so you don’t struggle too much when you put it together.

Pull the wires away from the float switch, so you have it completely disconnected. All the wires that go into the float switch should be easy to see at this point. Check if they have any residue on them or if they don’t connect properly with the float switch.

Fix the Wires of Your Float Switch

Depending on the problem you find with the wires, you will need to take care of it. If you notice any residue on them, remove it with a dry cloth. You can also use the hose, but you will have to make sure you let the wires dry before reconnecting them to the float switch.

If you notice that some wires are damaged, you will have to replace them. This is only possible in specific sump pumps as not all are designed for such repairs.

Put The Pump Back Together And Start Using It Again

Once you checked and clean all the parts of the pump, you can reconnect the pieces and try rerunning it. In most cases, following the steps in this guide will help you fix the problem. This is not the case. You will have to replace the float switch with a new one to be able to use your sump pump safely.

How to Repair Improve and Fix Sump Pump Float Switch?


As you can see, cleaning the float switch of your sump pump is not a problem if you make sure to clean it right. Keeping it clean before it stops working will help you avoid any issues, to begin with. Check the instructions that came with your sump pump, so you know exactly how to do these steps.

Remember that there are different models on the market, so you will need to adapt to the type of pump you have. But once you got rid of the grime on the float switch, you can count on the fact that it will work like new again. This is the real case scenario where there are no other problems with your product.

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