Poolking, your best swimming pool equipment manufacturer and supplier with more than 20 years experience.                                                                              +8613922334815


can t get pool filter lid on



One of the most common pool maintenance tasks is cleaning the filter. A pool filter can collect tons of debris and dirt, and it is always advisable to clean it regularly to keep your pool water crystal clear.

However, when you try to replace the filter lid, it's not unusual to experience some difficulties. If your pool filter lid won't fit, then this article is for you.

In this article, we'll discuss what could be causing the problem and offer some practical solutions to help you get your pool filter lid on.

Why Won't My Pool Filter Lid Fit?

If you're having trouble putting your pool filter lid on, there are a few reasons why this could be happening. Here are some of the most common:

1. Debris and Dirt:

One of the most obvious reasons why your pool filter lid may not fit is debris and dirt around the rim of the filter tank. These can accumulate over time, and preventing the filter lid from sitting flush.

2. Warped Lid:

Another reason why your pool filter lid won't fit could be because it's warped. This can happen when the lid is left out in the sun or when it's dropped, causing it to bend out of shape.

3. Warped Tank:

Similarly, the filter tank itself could be warped if exposed to intense heat or if it's old and worn out.

4. Damaged Seals:

The O-rings and gaskets on your pool filter lid can become damaged over time, leading to leaks, and preventing the lid from fitting correctly.

Solutions to Getting Your Pool Filter Lid On:

If your pool filter lid won't fit, here are some practical solutions you can try:

1. Clean the Rim of the Filter Tank:

If dirt and debris are causing the problem, clean the rim of the filter tank with a stiff-bristle brush and some water. This should remove any debris that's preventing the filter lid from fitting correctly.

2. Eliminate Warping:

If the lid or the filter tank is warped, you'll need to replace them. New lids and tanks are readily available, and they are not expensive. This will ensure that your pool filter lid fits snugly and securely.

3. Replace Seals:

If the gaskets or O-rings on your pool filter lid are damaged, consider replacing them. These parts generally last for up to three years, and you can purchase replacements from most pool stores.

4. Ensure Proper Alignment:

If you've taken apart the filter to clean it, you should make sure that everything is correctly aligned before trying to put the lid back on. Try lining up the filter tank and the lid before putting it in place.

5. Seek Professional Help:

If none of the solutions above works for you, it might be time to seek professional help. A technician who has expertise in pool maintenance should be able to identify the problem and offer the best solution.


In summary, if you're having trouble getting your pool filter lid on, don't despair! Start by locating the problem and then try the practical solutions we've outlined above. If you're still unable to get your pool filter lid on, remember that there are professionals out there who will be more than happy to help you. Finally, always ensure that your pool filter is adequately maintained to prevent these issues from happening in the first place.


Just tell us your requirements, we can do more than you can imagine.
Send your inquiry

Send your inquiry

Choose a different language
Current language:English