How To Fix A Leaking Water Filter

Last Updated on 6 months by

This blog post will teach you How To Fix A Leaking Water Filter. If your water filter is leaking, then it needs to be replaced, but before we get into how to replace a leaking water filter, let’s talk about what causes a leaky water filter in the first place. Most often, the problem is that the o-ring seal has worn off and this can happen from time to time when people use their faucet too much or have hard water in their area.

Many homeowners who get their water from a private well suffer from sediments in the water and require an inline sediment filter to remove it. You replace the filter cartridge in the filter housing after replacing everything else, and when you return things to normal, you notice a tiny drop form where the bottom meets the top and your water filter.

How to Fix a Leaking Water Filter

  1. To stop the water from leaking, turn a ball valve lever 1/4 of a turn.
  2. Find the water faucet and turn it on after you have turned off the power to your water system.
  3. After you have the filter, shut off the water.
  4. Remove the yellow cap from the filter housing, unscrew it, and pull out the old filter.
  5. Check and clean the O-ring that seals the filter housing.
  6. Lubricate the O ring with a silicone-based lubricant and place it back in its channel.
  7. Replace housing and hand tighten.
  8. Turn the water back on and inspect for leaks.

Let’s Find Out Why Your Filter Is Leaking:

Turn the water off. Turn the knob all the way around or turn it back to no water coming out of it. Turn on a faucet. When you see no more water coming out of the faucet, turn off the valve for the filter housing if it has one.

You use the wrench that came with the filter housing to screw it off the top of the filter housing.

I came across this fantastic “Steel” filter wrench that I can’t recommend enough! It’s stronger and longer than a plastic wrench, making it easier to replace filters.

The O ring is the circle on top of the container. When you take off the bottom part of the container, it will be there too.

If the O-ring has come out of its channel, set it aside to be cleaned and put back in its proper position. If the O-ring is still in its appropriate channel, leave it there for now and avoid knocking it out of the way.

Remove any debris from the O ring with a light pass of your finger. To ensure that the O ring creates a good seal, add a thin layer of silicone-based lubricant to its top. Hand tightens the housing bottom on top of the housing top carefully.

The housing may be tightened using the wrench provided for this purpose. Only slightly tighten it, though. Please do not overdo it!

Turn the supply water back on gradually and check for leaks. If leaking continues, continue reading for more in-depth advice on determining the source of the leak.

What if My Water Filter Still Leaks After I Have Cleaned It?

Most leaks on house water filters are caused by a tiny piece of grit getting caught between the rubber O ring inside the housing and the housing container.

If the leak is caused by debris in the pump, removing it and making sure the O-ring creates a tight seal should usually cure it. So let’s have a look for that pesky stuff. If you have healthy water with particles in it, you’ll almost certainly need to change your sediment filter regularly.

It might take a little time to get used to, but after you’ve adjusted it a few times, it becomes relatively simple until you change it and notice that little drip of water trickling down the outside of the filter housing.

What are your plans now that you have a leaking water filter? Don’t get too worked up, and don’t go running to call a plumber to replace the whole thing just because we have a minor leak.

Let’s look at a few things to see if we can stop the leak and save you time and money by calling the plumber.

Where Does the Water Appear to Be Coming From?

The leak may be coming from a pressure release button (usually red) on top of the head on some housings. This button is used to release water pressure from the housing to replace the filter cartridge.

This is not a common problem, but push the button down several times if your leak is here. If you do this while the water pressure inside of your sink is high, you can get rid of all that debris that’s blocking it from sealing. When you do this, there will be a lot of water coming out and some on your floor. So make sure to have a towel handy!

I usually cover the housing with a towel and press the red button with the towel covering it to reduce water spraying as much as possible. If you don’t resolve the leak, your plumber may have to replace the entire housing or replace the o ring beneath the button.

To get the o ring, you will need to shut off the water and take out the bottom part of the filter housing called a sump. There will be a small screw right underneath a big red button when you have taken out that thing.

This screw is mostly Phillip’s head. It has a small ring on it. Carefully take the screw and ring off, then take the ring off of the screw.

If you find that the O-ring is dirty, try cleaning and lubricating it to see if you can reuse it. If not, replace the O-ring with a bit of amount of silicone-based lube and tighten the screw gently but firmly.

Remove the old filter and replace it with a new one. Gradually turn the water back on after replacing the housing filter and sump. Look for leaks, and you’re done. If the leak persists at the button, a crack in the housing must be fixed.

Most of the time, the water is coming from the bottom portion of the housing (sump) when it meets the top (head) portion. Continue reading to learn how to repair this issue if it’s coming from here.

OK, let’s turn off the water and relieve the pressure before removing the filter. If you’ve ever changed your filter, you already know how to do this part, but for those who don’t, here’s what we’re going to do.

We must disconnect the filter housing from your water source and your home to avoid getting wet. There are frequently water shutoff valves in either direction near to the filter housing.

There will be two of them, one before the filter and one after. Turn off the water that comes into the house before the filter.

The lever will be on the side of the pressure tank, which is usually beside or adjacent to the blue or gray water storage compartment. We want to make certain that the water has been shut off after turning on the cold water at a sink inside your house that you know is used regularly.

A typical example is the kitchen sink. Allow the water to run until it stops. We now know that the power has been shut off to the home.

After filling the filter, turn off the water. Now, let’s look for a shutoff lever or hose spigot type shutoff to keep the filter separate from the rest of the house. This is frequently not far after the filter housing.

Finally, we must press the red button located on top of the housing to ensure that the pressure in the housing is relieved.

When you press this button, a small amount of water may trickle out with a little puff of air. This is precisely what should occur, so don’t be concerned; it’s just discharging any residual pressure that might be present within the housing.

We can now remove the filter sump once we’ve turned off the water before and after it. The housing bottom comes apart, which resembles a big clear test tube or a large blue drink tumbler.

If you’re looking at it from beneath the bottom of the sump, turn it counter-clockwise to unscrew. If you look at it from underneath the housing, righty tightly, lefty looser is correct.

If you’re using a wall-mounted sump, be sure to install it with the pump on your right. If you put the housing on your left and your hand is on top of it, turn it clockwise to unscrew the sump.

Grab a bucket, a cloth, and perhaps someone else to assist you.

Take the sump wrench that came with the filter housing (It resembles a magnifying glass but lacks the glass, as Sherlock Holmes would have used it), and slide it up over the sump from the bottom across the grooves in the sump until it is tightly secured near to top of sump.

While keeping one hand on the top of the housing, gently twist the sump until it comes off, then remove it from the top.

With one hand on the sump, turn it with the other to prevent spilling too much of the water in it on the floor.

Let’s take the filter cartridge out, but don’t pour the water out yet, and use it to rinse the sump. Set the sump in the bucket now if you like because we’re going to inspect the O ring within it.

DO NOT REMOVE THE O RING YET! The bottom of the O ring is likely to be in good shape, and it is not the source of the leak. If feasible, we’ll look at the top of the O ring without removing it.

Once the O-ring is out, run your finger lightly over the top of it; you will most likely feel some grit or bumps as you go over it. Once or twice around, then clean your finger and repeat until you have a smooth, uniform surface. Now rinse the top of the O-ring under a stream of water to remove any debris.

I advise applying a small amount of food-grade silicone lubricant to the top of the O ring to help maintain a tight seal between the O ring and housing, lowering the risk of leakage.

Do not use petroleum jelly on the O ring. It will break down the rubber, and your O ring won’t work.

If the O-ring has come out of the housing, clean it thoroughly and check for any particles or debris that have been trapped in the housing.

With a clean cloth, wipe out the channel in which the O ring sits. Gently wipe off any dirt or debris from the O ring with your fingers, then dry it thoroughly.

Do not squeeze the O ring with your hands, as this might cause it to stretch. To help the entire O ring make a tight seal when you replace the housing, put a tiny film of silicone-based lubricant over it before reinstalling.

If the O ring seems like it is too big to fit inside the channel that it came out of, it has most likely stretched a bit over time. By adding a thicker layer of the silicone lubricant, you should be able to get it to set properly.

If the O-ring can no longer fit into the channel, it has probably grown due to exposure to chemicals like chlorine or petroleum jelly (vaseline).

The O-ring should be replaced if it is rusted, bent, or has flat areas on it as a result of age or pinching. If you can’t get the O-ring to stay in its channel, try cutting a tiny bit of it out to make it fit properly in a pinch.

You will only need to cut out a small amount of the pipe, maybe 1/16th of an inch. You can always cut away more if needed. This is only useful when it comes to pipes that are either leaking or not working because there is no water coming through them.

Finally, replace the nylon washer immediately. I recommend buying a few new O rings as soon as possible. If you are unable to replace the existing O ring due to stretching or losing it while changing the inline filter cartridge, I strongly advise having at least two extra O rings on hand.

Where Can I Get a New O Ring for My Inline Filter Housing?

The most frequent filter cartridge sizes in household filtration systems are 2.5 inches and 4.5 inches in diameter.

However, just because the filter cartridge may fit different housings does not imply that the O rings are identical for all of them. When purchasing online, be sure to verify your exact size O ring diameter and thickness since there are similar-looking O rings that might not fit your housing.

If you need a new one right away, turn off the water and bring the old one to the hardware store. You can make sure it’s as close as possible to what they have at the shop this way.

Now, with the new filter cartridge in its channel, make sure it sits over the top of the small nub at the bottom.

Put the housing into the head and then use your hands to screw it back on. Do not use a wrench to tighten it.

Hand tight will usually be good enough to create a good seal. If the filter cartridge is not in the housing correctly, it will not work.

When the filter cartridge is removed, sometimes a little bit of dirt can be left behind. If it gets under the new filter cartridge, it will make it harder to put the housing back together.

If the housing does not screw in completely, there won’t be enough force on the O ring to create a proper seal, resulting in a leak.

By cleaning this region, you’ll be able to ensure that your new filter cartridge fits properly and that the housing can screw on completely, giving you a waterproof seal.

The filter housing may have a crack. This is the part of the filter that holds water. Something could have fallen on it or hit it, making it crack.

Even the tiniest crack can allow water to seep through and leak. Trying to tighten it will make it worse.

If your sump is still leaking after removing it and cleaning it thoroughly, you may have a cracked sump.

There’s not much you can do to repair a cracked sump that will last in the long run, so it’s probably time to replace the whole housing at this point.

Most housing bottoms are not interchangeable. You should get a new one so you will have a nice new filter housing. When you replace your inline filter housing, it is very important to ensure that the air does not leak out of the gasket.

Replacing the entire housing is not difficult at all. Threaded fittings generally fasten them on each side. They need to be tightened up like if you were tightening a nut on a screw.

If your Pex pipe is connected to threaded fittings, you can usually loosen them simply by turning them when they are still joined to the Pex pipe. We must first turn off the water supply to the filter housing before running water at a sink until the water stops flowing.

Turn the fittings until the housing comes free. Remove any remaining Teflon tape or other materials left in the threads before putting them in the new housing.

After the threads are clean, wrap some Teflon tape around them in a counterclockwise motion. Make sure you don’t use too much; there should be plenty around three complete wraps around the threads.

The Teflon is only used to make sure the threads can screw in all the way, so you don’t need much. Thread the new filter casing on slowly and carefully as you remove the old one, ensuring that the new one is fully threaded but not too tight.

When you’re sure, the replacement housing is incorrectly, replace the filter cartridge and gradually turn the water back on. Examine for leaks, and you’re done.

If you decide to change your inline filter housing, I recommend selecting a soft-plastic, non-see-through variant.

Although you may enjoy the concept of seeing through the housing to determine whether or not the filter cartridge is dirty, the transparent housings are more brittle than soft plastic ones and can break more easily.

If your reverse osmosis filter is clogged, consider changing the housing. A filter housing for a reverse osmosis drinking water system is usually comparable to an inline whole house filter housing.

If the leak persists, try switching out the leaking housing with one of the other ones. If you’re getting a gurgling or roaring sound from your refrigerator when it’s operating, then double-check your O-rings to see whether they’ve dried up.

The plumbing may break if the leak persists. If the system continues to leak from the same location despite changing housings, there is something wrong with the system rather than just with the housing.

Remove the filters and rinse the inside of the reverse osmosis systems undercarriage where they are joined, then try reinstalling them again. After doing this, you may need to purchase a new reverse osmosis system if you still have a leak.

Not All Filter Cartridges Are the Same

Just because a filter cartridge will fit inside your filter housing does not mean it is the best one for you. There are three different filters you can buy at the store, each of which has its special use.

That’s because they all have distinct purposes, and no one is superior to another; however, they are utilized for various reasons depending on your specific requirements. The 2.5-inch and 4.5-inch diameter filters come in 10 inch and 20-inch length, while the 4.5-inch diameter comes in 10 inch and 20 inch length.

A common type is a basic sediment filter. This filter is used to remove dirt, sand, and other debris that you can readily see and which might build up in your water softening system and screens on your faucets, washing machine, and other appliances with screens to keep out particles.

Sediment filters usually come in different styles and micron ratings (the number of the filter). The higher the number, the smaller particles it will catch.

Filter Cartridges Also Come In Different Shapes

The pleated variety has many more surface areas to capture debris and is generally only utilized for bigger particles ranging from 15 to 60 microns, although it can be found as fine as 5 microns.

An ENERGY STAR certified constructed-in window air conditioner has a spun-polypropylene filter, which is generally a 5 micron or less filter but can also be found in the 4.5-inch size as a dual-gradient.

Unlike other types of wet-and-dry filters, String-wound filters have a helix shape and are designed to filter particles as small as 5.0 microns. This implies that the outside of the filter will filter larger particles and finer particles progressively closer toward the filter’s center. String-wound fine particle filters are typically used to remove pollutants ranging from 5 to .5 millimeters in diameter.

This filter is for water with only small particles and would clog much more quickly than larger particles. It’s not as easy to come by as a pleated or spun-polypropylene filter, and it’s generally more expensive.

Regardless of the type of sediment filter you choose, I highly recommend using only polypropylene or polyester filters, since cellulose (paper) filters can break more easily and allow debris to pass through.

Granular Activated Carbon filters are used on water supplies that use chlorine. They help remove the chlorine. They also get rid of bad taste and smell in your water.

They are not intended to remove sediment, but they may be utilized if you have small amounts of sludge. Carbon block filters are used for various purposes, including as a sediment filter and the removal of Chloramine, Cysts, Lead, and other specialized purposes.

Filters are expensive. If you have any of these unique requirements, they will most likely be more than you require because of the innovative filtering applications they provide.

A filter is a part of your vacuum. It keeps the dirt from coming out of the vacuum and making a mess on the floor. Change your filter when it is dirty. Keep some back-up filters for when you need them.

You might need a wrench. A belt wrench is a type of wrench that can be used for many kinds of chores, not just housing.

What to Do After the Leak Is Fixed

Sometimes water leaks from the water filter and gets on the floor. When you see this happen, use a towel to dry it up. If there is a lot of water you will need to clean up, think about what you might need.

When cleaning up after a storm, make sure to take extra precautions with the wet/dry vacuum and electrical cord. You don’t want your house full of dirty water if there’s another one on its way.

Think Ahead So You Are Not Doing Double the Work

When working with water, be aware of any electrical boxes or other electrical outlets. When dealing with water, always keep anything electrical at a safe distance and avoid direct contact as much as possible.

If there is water on the floor, make sure you clean it up before you vacuum. If the water has stuff in it like leaves or dirt, sweep them away first. If there is broken glass on the ground, be extra careful to not step on it and hurt yourself.

In the case of a further water leak, you may want to consider some preventative measures once your leaking water filter has been handled.

Many of my customers have told me that they have been using leak detectors. This has helped them stop a flood from happening in their home.

How to Fix Leaking Pur Water Filter

If your Pur water filter is leaking, it is most likely because the O-ring on the filter has come out. Remove the dirty filter and put it back in. Make sure that it is seated properly in its channel so that no water will leak out of the top.

If the filter unit is leaking, take it out and put it back in. Do not cross-thread the connection. Tighten the adapter properly.

Fridge Water Filter Leaking

Sediment filters for a fridge have an Oring so they don’t leak. The filter is like ones on a water jug, but they are on the fridge.

If the O-ring moves or is forced out of place, it might not seal correctly and result in a leak. If your refrigerator begins to seep after replacing the filter, remove and clean the O-ring.

To install the filter, take it out and then put it back in. You should always keep the filter straight when you put it back in. If the filter does not go in easily, add a little bit of lubricant to make sure that the Oring is still there.

Should I Use Cellulose or Polyester Filters?

I always recommend that you use polyester cartridge filters in a whole house filter housing. It is the best kind of filter. I also recommend this for reverse osmosis systems.

This is because cellulose filters are paper, and if they tear, the pieces can get caught in your water softener valve or clog a faucet.

The polyester filter cartridges are more durable and can be used for a few times before they need to be replaced. They cost only a little bit more than the other type of cartridge, which has to be replaced after one use.

How to fix a dripping water filter faucet?

Why is my GE water filter leaking?

The water filter may be installed incorrectly on the filter housing. If the water filter is not securely attached, water may leak from it. To verify that the filter is correctly installed, remove and replace it.

Can a refrigerator filter cause a leak?

A bad connection between the water filter and the water supply can leak refrigerators with a filtering system. The filter may be put in incorrectly, the fridge’s capacity or model might be incorrect, or the housing or seals may be damaged, allowing water to stream out.

Do refrigerator water filters go bad?

Drinking water can make you sick. It would help if you filtered it. That’s why we have water filters. They are small and do not expire. If they are not wet, they work at any time.

How does a tap water filter work?

Water first goes through a non-woven screen surrounding the filter when you turn on your faucet. This screen catches soil and sand particles. The water then passes through a compressed block of carbon and zeolite. On the surface, each tiny carbon grain has millions of tiny pores.

How do you unclog a GE refrigerator water line?

Find the water dispenser line and remove the screws that are holding it in place. Then hold down the water button at the front of your refrigerator to see if any water flows out. There was most likely an air block in the line that should now be removed if it does.

What is the O-Ring on a water filter?

The water filter housing cap is sealed using O-Rings to the water filter housing sump to prevent leaks. It’s critical to use FDA Food-Grade Silicone Grease to lubricate your o-ring. Do not use petroleum jelly because this can cause the o-rings to swell, preventing a good seal.

What is the O-Ring on zero water filter?

The O-Ring seals the filter inside the pitcher. Without it, unfiltered water would flow into the vessel and you wouldn’t have any filtered water.

Why is my Kenmore water filter leaking?

The water filter might not be installed correctly in the filter housing. If you don’t install the water filter correctly, it may leak. Make sure the filter is properly in place by removing and reinstalling it.

Why is my Frigidaire refrigerator leaking water out the front bottom?

The refrigerator drain tube transports surplus water from the automatic defrost system to the drain pain, evaporating. This tube can become clogged with ice over time, causing a Frigidaire refrigerator to leak inside the deli drawer.

Can a refrigerator leak without a filter?

Is it possible to use a refrigerator without having a water filter? Yes, as long as the bypass plug is installed. The bypass plug replaces the water filter in the water filter housing. In essence, it obstructs the flow of water into where the filter should be.

How do you prime a refrigerator water filter?

To start the water supply system, do the following: Fill the system by pressing and holding a drinking glass or pitcher against the water dispenser paddle until the water comes out. It might take anywhere from 1 to 2 minutes.

What happens if you don’t change fridge water filter?

Changing your refrigerator’s water filter regularly is an easy way to keep your fridge in excellent shape. If you don’t, the minerals in the water can build up and cause scaling and deposit buildup in the ice machine, which may severely damage your refrigerator. This accumulation tends to slow down the system, resulting in low flow and impacting the taste of your drinking water.

How long do refrigerator water filters really last?

Refrigerator filters need to be replaced every 6 months. Never leave a filter in place past a year. The longer you use a carbon filter, the more harmful your water could become.

Why is my fridge leaking water onto the floor?

One of the most typical reasons water seep from your refrigerator is a blocked defrost drain, which is an excellent place to start. When enough water accumulates, it begins to leak out of the refrigerator and onto the floor. By boiling the drain, you should be able to clear it.

Why is my Frigidaire refrigerator leaking water out the front bottom?

Overflow water from the automatic defrost system is carried to the drain pain, where it eventually evaporates. This tube can become clogged with ice over time, resulting in a Frigidaire refrigerator leaking inside under the deli drawer.

How much does it cost to fix a leaking refrigerator?

Repair Average Cost:

Refrigerant leak repair $200 – $300

Control board replacement $80 – $800

Thermostat replacement $100 – $440

Coils replacement$100 – $440

How to fix a leaking refrigerator water filter?

This is typically due to a disconnected connection between the refrigerator and the filter. The incorrect type of filter was installed at times, requiring it to be replaced. If you’ve been using your water filter too much, it may have cracked as a result of overuse.

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