Frigidaire Washer Fftw4120Sw Overflowing

Title: Frigidaire Washer Fftw4120Sw Overflowing

Hey there! Are you tired of dealing with a washing machine that seems to have a mind of its own? Well, you’re in luck because today we’re going to tackle a common issue that many Frigidaire washer owners face – overflowing. Nothing can be more frustrating than having your laundry room turn into a mini swimming pool. But fear not, we’re here to help you understand why your Frigidaire washer Fftw4120Sw is overflowing and how you can fix it. So, let’s dive right in!

Understanding the Problem:

Have you ever wondered why your washer overflows? It’s a valid question, and the answer lies in the water level control system. Your Frigidaire washer has a sensor called a pressure switch that monitors the water level inside the tub. This switch is responsible for signaling the washer to stop filling with water once it reaches the desired level. However, if this pressure switch malfunctions or the associated components fail, your washer can end up overflowing.

Causes of Overflowing:

1. Clogged or Faulty Pressure Switch Tube:
The pressure switch tube is responsible for transmitting air pressure to the pressure switch, indicating the water level. If this tube becomes clogged or damaged, it can cause the pressure switch to malfunction, leading to an overflowing washer.

2. Defective Water Inlet Valve:
The water inlet valve is responsible for controlling the flow of water into the washer. If this valve gets stuck in the open position or fails to close properly, water will continue to fill the tub, resulting in an overflow.

3. Faulty Pressure Switch:
As mentioned earlier, the pressure switch plays a crucial role in preventing overflow. If the switch itself is faulty, it won’t accurately detect the water level, causing the washer to overflow.

4. Improper Drainage:
If your washer’s drain hose is not properly installed or is clogged, it can prevent proper drainage, leading to water backup and eventual overflow.

Troubleshooting and Fixing the Issue:

1. Check the Pressure Switch Tube:
Start by inspecting the pressure switch tube for any blockages or damage. If you find any issues, clean or replace the tube accordingly. Ensure it is securely connected to both the pressure switch and the tub.

2. Inspect the Water Inlet Valve:
Turn off the water supply and disconnect the hoses connected to the water inlet valve. Check for any debris or sediment that might be blocking the valve. If necessary, clean or replace the valve to ensure proper functioning.

3. Test the Pressure Switch:
To check if the pressure switch is working correctly, you can perform a simple test. Disconnect the power to the washer, remove the pressure switch, and use a multimeter to test for continuity. If there is no continuity, the switch is likely faulty and needs to be replaced.

4. Ensure Proper Drainage:
Check the drain hose for any kinks or blockages. Straighten out any kinks and remove any debris that might be obstructing the flow of water. If the hose is damaged, replace it to ensure proper drainage.

Preventing Future Overflows:

Now that you’ve fixed the issue, let’s talk about some preventive measures to avoid future overflows:

1. Regular Maintenance:
Perform regular maintenance on your washer, including cleaning the tub and checking for any signs of wear or damage in the pressure switch tube, water inlet valve, and drain hose.

2. Don’t Overload:
Avoid overloading your washer, as it can disrupt the water level detection system and lead to overflow. Follow the manufacturer’s guidelines for load capacity.

3. Proper Detergent Usage:
Use the right amount of detergent for each load. Excessive detergent can cause excessive suds, leading to overflow.

4. Promptly Address Any Issues:
If you notice any signs of a malfunctioning pressure switch or water inlet valve, address them promptly to prevent further problems.


Congratulations! You’ve successfully tackled the issue of your Frigidaire washer Fftw4120Sw overflowing. By understanding the causes and troubleshooting steps, you’ve taken control of the situation. Remember to perform regular maintenance and follow preventive measures to avoid future overflows. Now, you can enjoy doing your laundry without the fear of a flooded laundry room. Happy washing!