Knowledge Builders

why is my pool pump leaking from the bottom

by Abner Stiedemann DDS Published 3 years ago Updated 2 years ago
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If you see water leaking out of the bottom of the pool pump assembly, it's a good indication that you may have to replace the shaft seal within the motor pump assembly. As shown in the pool pump cut away, the shaft seal is located in the motor pump assembly behind the impeller.

Full Answer

How to repair the leaking pump in your pool?

Suction Side Leaks

  • Pump Lid. The first thing you’ll want to check is the lid on the pump itself. ...
  • Cracked Pipes & Valves. Once you’ve checked the pump lid, your next stop should be the pipes and valves. ...
  • Low Water Level. You want to be sure not to overlook your pool’s water level. ...
  • Strainer Basket Drain Plug. Finally, locate your strainer basket drain plug. ...

How do you fix a leaking pool pump?

How to fix a leaking pool pump

  1. Leaking pump shaft seal Contents 1 #1: Leaking pump shaft seal 2 #2: Leaking pump housing 3 #3: Leaking outlet fitting 4 #4: Leaking inlet fitting 5 #5: Leaking ...
  2. Leaking pump housing Some people call the pump housing as the volute. ...
  3. Leaking outlet fitting This type of leak has water running down the pump’s side and dripping off the bottom. ...

More items...

How to tell if your pool pump is leaking?

Pool Leak Detection

  • Vinyl Liner Pool. If so, there are special considerations. ...
  • Leaks in The Tile Line. For concrete pools with the traditional perimeter tile band at the waterline, leaking is most often found inside the skimmer.
  • Cracks in the Pool. ...
  • Leaking Pool Skimmers. ...

How to find out if your pool is leaking?

Signs of leaking pool plumbing

  • Air Bubbles In Your Pool. Low water levels can cause air bubbles in your pool when your pump is running. ...
  • Wet Spots In Yard. Have you noticed consistent wet spots in your yard? ...
  • Low Water Pressure. More air in your lines, means less water in your lines. ...
  • Cracks In Pool Decking. ...

Why is my pool pump leaking?

How does a pool pump seal work?

Why does my pump leak water?

Why is my water pump not working?

What is a pool pump?

How to keep a pool pump working?

Why is it important to fix a pool pump?

See 2 more

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Why is my pool pump leaking underneath?

When the Seal Breaks, the Pool Pump is Leaking. Every pool pump has a seal around the mechanical shaft that keeps water from leaking behind the impeller. If the seal gets old, then water goes down the backside of the seal plate and then through the hole where the mechanical shaft goes.

How do I stop my pool pump from leaking?

Low Water Level If it's too low, air can enter the skimmer, causing a leaking pool pump. To fix this, fill up the pool so the water level is between a third and halfway up the opening of your skimmer.

Can you fix a leaking pool pump?

A home owner with basic mechanical skills can fix a leaky pool pump by finding the source of the leak and obtaining a new gasket or O-ring based on the brand and model of the pump.

How do I know if my pool pump shaft seal is leaking?

Signs of a leak in the shaft seal: Puddle of water on the ground under the center of the pump underneath the motor connection point. Water damage to the surrounding area. Consistent, abnormal noise coming from the motor which could point to a bearing motor problem.

How much does it cost to fix a leaking pool pump?

If your pool pump is leaking, it needs replacing. The average cost of pool pump replacement is $700 to $1,300, but varies by the power and type of pump. At the low end, a small, single-speed pool pump costs around $400, while a large solar pool pump costs up to $5,400.

Where do pool pumps leak?

Three of the most common places to experience a pool pump leak is on the suction side, on the pressure side, and on the shaft seal.

Where is the most common pool leak?

skimmersSigns of a pool leak include high water bills, standing water near the pool, unbalanced chemical levels, and discolored water. The first place to look for a pool leak is around the skimmers. After all, this is the most likely place for leaks to develop.

Can you patch a leaking water pump?

Warning. If the water pump is leaking from the body of the water pump, you must return the pump to the vendor for servicing. There is no safe way of fixing a leaking water pump body.

How long do pool pumps last?

between 8 to 15 yearsHow long do pool pumps last? Your pool pump should be replaced anywhere between 8 to 15 years depending on the quality, and a full replacement may cost over $800. Your pool pump is the “heart” of your swimming pool as it circulates water throughout, bringing water through the filtration and heating systems.

What is the most common symptom of a pump suction leak?

The best way to diagnose a suction side leak–aside from finding the place where water is escaping–is to watch the water inside of the pump while it is running. If you notice that the water appears frothy and/or bubbly, this indicates that air is being sucked into the system through a leak somewhere on the supply side.

How much does it cost to replace shaft seal?

The average cost for axle shaft seal replacement is between $244 and $297. Labor costs are estimated between $205 and $259 while parts are priced at $38. This range does not include taxes and fees, and does not factor in your specific vehicle or unique location.

Can Flex Seal fix a pool leak?

It's inconvenient and pool liners can cost hundreds (sometimes thousands) of dollars to replace. That's why we recommend keeping Flex Tape or our Pool patch and repair kit nearby. The next time you find yourself with this problem, just use Flex Tape and your pool leak will be repaired in a matter of minutes.

How do you seal a pool pump hose?

If in doubt, turn off all the electricity.Open the bottom panel to the pool pump assembly. ... Ensure the hose is dry, then place the tip of the syringe against an edge of the circle on the hose. ... Wrap waterproof silicone sealant tape around the area of the hose that has been sealed, at least three times.More items...

Where does the seal go on a pool pump?

0:1115:51Replace Mechanical Seal in Swimming Pool Pump. Spa Motor ...YouTubeStart of suggested clipEnd of suggested clipPart there so obviously you need to seal the water. Away this has got the shaft in it which isMorePart there so obviously you need to seal the water. Away this has got the shaft in it which is turning turning the impeller. And there's a seal on that shaft.

How do I change the O rings on my pool pump?

0:151:37Pump Lid O-ring, Pool Pump not priming Part 3 - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd the purex. Top just comes right out of the holder. There you can check see if the o-ring is wornMoreAnd the purex. Top just comes right out of the holder. There you can check see if the o-ring is worn. And sometimes it'll be very obvious it'll have cracks in the o-ring.

Can duct tape fix a pool?

Yes, you can use duct tape to temporarily patch an inflatable pool. The duct tape will not hold up very long and a more permanent patch will need to be applied in short time. Patching a pool with duct tape is not recommended, but can work in a pinch for a temporary fix.

The Most Common Swimming Pool Pump Leaks - Blue Splash Pool Service

The Most Common Swimming Pool Pump Leaks. There are many kinds of swimming pool pumps. Some are big and some small. The size of the pump will of course depend on the size of your swimming pool.

How to fix a leaking pool pump (The Ultimate Guide)

A shaft seal plays an important part in any pool pump which is to prevent water from leaking along the motor shaft. However, it isn’t always at its best, even the best pool pump has its shaft seal failed sometime. As a result, you will see water running down the backside of the seal plate through the hole.

Pool Pump Leaking? Here’s How To Fix It (Complete Guide)

If the pump’s lid is broken, get a like-for-like lid replacement from the manufacturer with the correct part number or SKU. 4. Pool Pump Leaking At Connection

How to Fix a Leaky Pool Pump | Home Guides | SF Gate

Pool pumps consist of a motor and a pump-basket housing. The motor draws water into the basket and pumps water through the filter and back to the pool through a return pipe. While pool pumps may ...

Pool Pump leakage problems? Here are some DIY tips. | Blog - Redo Your Pool

Coverage Transparency This link leads to the machine readable files that are made available in response to the federal Transparency in Coverage Rule and includes negotiated service rates and out-of-network allowed amounts between health plans and healthcare providers. The machine-readable files are formatted to allow researchers, regulators, and application developers to more easily access and ...

Why is my pool pump leaking?

It can be due to broken seals, pump housing, pump drain plugs, improper fittings, or the lid to name a few. Let’s look at why this is important, the different reasons why the pool pump is leaking, as well as other reasons it may not be working, grading of the land, pool safety, and when to call a professional for help.

How does a pool pump seal work?

Every pool pump has a seal around the mechanical shaft that keeps water from leaking behind the impeller. If the seal gets old, then water goes down the backside of the seal plate and then through the hole where the mechanical shaft goes .

Why does my pump leak water?

Additionally, it can leak water at the dry end of the pump if the bolts or clamp are loose or the O- ring is not sealing as it should.

Why is my water pump not working?

This can be due to not enough water getting into the pump. Check the suction lines to make sure not too many are closed off. Also, check the skimmer to see if there is debris and clean it out. It is also possible the pump may be too powerful and you need to get a different motor.

What is a pool pump?

A pool pump consists of a motor and pump basket housing. Pool pumps create the water that flows through the pool, carrying the chemicals and evenly distributing them in the water. Then it carries the water to the filter, heater (if there is one), and chlorinator so that the water is safe to swim in.

How to keep a pool pump working?

Grading of the Land. One way to also keep the pool motor and pump clean and functioning is to make sure the land is graded appropriately. Negative grading can cause mudslides and other debris to go into the pool or to the equipment pad area and cause the system to stop working.

Why is it important to fix a pool pump?

Remember, it is important to have the pump fixed as it can lead to a lot of bigger problems if not taken care of. This is something that will also come up on a home inspection report, whether you are trying to refinance or sell the home. It is important the repair is done properly. A swimming pool is a big investment in your yard and needs to be taken care of for the safety of you and others.

What causes a pool pump to leak?

If it’s too low, air can enter the skimmer, causing a leaking pool pump. To fix this, fill up the pool so the water level is between a third and halfway up the opening of your skimmer. If only all pool pump leaks were this easy to fix!

What are the different types of leaks in a pool pump?

The three most common types of pool pump leaks include suction side leaks, pressure side leaks, and shaft seal leaks. I’ll explain each of these leaks, help you identify possible problem areas, and give you ideas on how to fix them. Now, let’s get your swimming pool back up and running!

Why does my water pump leak when it is off?

That’s because when the pump is running, it creates a vacuum inside the pipes on the suction side . When the pump is on, water travels through the pipes so fast that it usually doesn’t escape through any cracks or leaks. However, when the pump is off, the water on the suction side isn’t moving, which means it’ll find those cracks. Hence, the leaks.

How to tell if a pool pump is leaking?

While suction side leaks are air, leaks on the pressure side are water. The extreme pressure can push water out of any place downstream of the pump strainer that’s compromised. You can tell you have a problem if you have any of the following: 1 Dripping coming from the discharge pipe 2 A pool of water underneath your pump 3 An uncharacteristically low water level in your pool

How to fix a leaking pool pump?

Does it sound abnormal? If so, it could be the motor bearings trying to work in water. The fix here is simple. Replace the old shaft seal with a new one. Just make sure you get the right one for the pump you have. I have a full guide that you can check out on finding the right pool pump shaft seal.

How to tell if a pump is off?

Hence, the leaks. One way to tell if you have suction side leaks is to take a look at the water inside the pump while it’s running .

What to do if pool lid is cracked?

The next thing to check is the rubber O-ring underneath the lid. The O-ring keeps the cover sealed nice and tight on the pump. If it’s old and cracked, you’ll need to replace it. If it looks okay, you might be able to lubricate the lid with a Teflon-based pool lubricant to ensure that the lead seals tightly.

How to tell if a pump seal is leaking?

A leaking pump seal can be verified by getting down on all fours (with your reading glasses!) and looking closely to see water dripping down the backside of the seal plate, as shown below. Be careful that the leak is not actually a loose clamp band, or water dripping from the pump outlet fitting, running down and dripping off of the bottom.

What is the seal on a pool pump?

Every pool pump has a mechanical shaft seal , which prevents water from leaking along the motor shaft, behind the impeller. When the shaft seal fails, it allows water to run down the backside of the seal plate, through the hole where the motor shaft slides through.

What is a leaky pump housing?

Leaking Pump Housing. The pump housing, also called the volute, is the ‘wet end’ of your pump, including the hair & lint pot / strainer basket, and the impeller housing, can develop leaks in several areas. The housing can leak where it connects to the seal plate, or the ‘dry end’ of your pump, if the clamp or bolts are loose, ...

Why is my water pipe tilting?

The reason that the pipe is tilted in the image above is because the threads have melted and shrunk from overheating, allowing it to leak air and water. Like the outlet fitting leak, the best solution is to replace the fitting, using a pump union or CPVC fittings instead of Sch 40 PVC.

Where is the water leaking on a PVC pump?

As mentioned earlier, this may be mistaken for a shaft seal leak in some cases, as the water runs down the side of the pump and drips off the bottom. Look closely and you can see water leaking where the threaded PVC fitting screws into the outlet port.

What causes a pump housing to leak?

Pump drain plugs can be another source of a pump housing leak. If your drain plugs have missing o-rings, or were not installed with Teflon tape, drip-drip-drip when the pump is off, while sucking air in while the pump is running.

How to keep motor shaft from moving?

Hold a wrench on the rear of the motor shaft to keep it from moving, while you unthread the impeller, CCW off of the other end of the motor shaft.

How to fix a leaking pump lid?

And you need to look closely when your pump is running. To fix leaking pump lid, you can replace or repair the lid, depending on how serious the leak is. Firstly, you need to make sure that your pump lids are tight, and its o-rings are lubricated. If not, they will always dribble a little bit when the pump shuts off.

How to find air leak in pool pump?

So how to find air leak in pool pump? You can easily see the leak with your eyes. Keep in mind that it is not a loose clamp band. In order to fix this type of leak, you need to check if you are having the right shaft seal for your pump first. If you aren’t, then you will definitely need to buy a new and correct one. The next thing you do is to replace your old shaft seal with the new one. It’s easy, isn’t it?

How to fix a leaky pool pump fitting?

On the other hand, if the fitting is not too loose, you can repair it. Apply Silicone or Pool Putty and keep the pump running for 24 hours , your fitting will be hardened.

Why do pool pumps have shaft seals?

6 Reference: A shaft seal plays an important part in any pool pump which is to prevent water from leaking along the motor shaft. However, it isn’t always at its best, even the best pool pump has its shaft seal failed sometime. As a result, you will see water running down the backside of the seal plate through the hole.

What are some good fittings?

There are some good fitting such as coupling or a MTA fitting, even a pump union with o-ring. Besides, you can prevent overheating and shrinking of the PVC fitting threads by using temperature resistant materials.

Where is the impeller housing on a pump?

Some people call the pump housing as the volute. It comes with the impeller housing, the hair and strainer basket, that locates at the wet area of your pump. When you see leaks from the pump housing, it can be from the area where it connects to the seal plate.

Can a pool pump leak water?

It is common that pool pumps leak water and obviously it causes concern. Sometimes it is just a slow drip, the other times it is a steady leak. In these cases, it can drain gallons from your pool or cause erosion to the equipment. In this article, I will provide information on how to fix a leaking pool pump so that you can try and fix it at home.

What happens when a motor seal goes?

when the seal goes it usually lets water into places that are not supposed to get wet (bearings). If the motor sounds anything louder than a light hum you should replace the bearings as well. Bearings are tougher as you need a bearing puller and etc. You usually end up going to a motor repair shop to get that done.

How much does it cost to seal a pool?

Not sure about the labor, but if you buy the seal yourself it should be about $20 plus shipping/taxes. A good pool store that carries equipment might have it in stock.

Why is my pool pump leaking?

It can be due to broken seals, pump housing, pump drain plugs, improper fittings, or the lid to name a few. Let’s look at why this is important, the different reasons why the pool pump is leaking, as well as other reasons it may not be working, grading of the land, pool safety, and when to call a professional for help.

How does a pool pump seal work?

Every pool pump has a seal around the mechanical shaft that keeps water from leaking behind the impeller. If the seal gets old, then water goes down the backside of the seal plate and then through the hole where the mechanical shaft goes .

Why does my pump leak water?

Additionally, it can leak water at the dry end of the pump if the bolts or clamp are loose or the O- ring is not sealing as it should.

Why is my water pump not working?

This can be due to not enough water getting into the pump. Check the suction lines to make sure not too many are closed off. Also, check the skimmer to see if there is debris and clean it out. It is also possible the pump may be too powerful and you need to get a different motor.

What is a pool pump?

A pool pump consists of a motor and pump basket housing. Pool pumps create the water that flows through the pool, carrying the chemicals and evenly distributing them in the water. Then it carries the water to the filter, heater (if there is one), and chlorinator so that the water is safe to swim in.

How to keep a pool pump working?

Grading of the Land. One way to also keep the pool motor and pump clean and functioning is to make sure the land is graded appropriately. Negative grading can cause mudslides and other debris to go into the pool or to the equipment pad area and cause the system to stop working.

Why is it important to fix a pool pump?

Remember, it is important to have the pump fixed as it can lead to a lot of bigger problems if not taken care of. This is something that will also come up on a home inspection report, whether you are trying to refinance or sell the home. It is important the repair is done properly. A swimming pool is a big investment in your yard and needs to be taken care of for the safety of you and others.

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1.Videos of Why Is my Pool Pump Leaking from the Bottom

Url:/videos/search?q=why+is+my+pool+pump+leaking+from+the+bottom&qpvt=why+is+my+pool+pump+leaking+from+the+bottom&FORM=VDRE

20 hours ago  · Pool pumps leaking from the bottom usually show there’s a leak between the housing and motor, or the bottom is cracked. The bottom of a pump can crack after it’s …

2.Pool Pump leak out of the bottom and fix. Please …

Url:https://www.youtube.com/watch?v=Ke20pCtLY5Y

25 hours ago  · Learn what is the most common cause of this and what I did to repair it.Check out my related video on: HOW TO CHANGE THE MOTOR AND SEAL: https://www.youtube...

3.Is Your Pool Heater or Pump Leaking from the Bottom?

Url:https://www.youtube.com/watch?v=9HMCN6MHB5o

4 hours ago  · It is a much more common source of a leak then any other part, save for the pump discharge from the top of the pool pump. Over time even a drip leak can cause the pool water …

4.Leaking Pool Pump: Causes and How to Fix - Pool …

Url:https://poolresearch.com/leaking-pump/

20 hours ago If it’s too low, air can enter the skimmer, causing a leaking pool pump. To fix this, fill up the pool so the water level is between a third and halfway up the opening of your skimmer. If only all …

5.Leaking Pool Pump! - InTheSwim Pool Blog

Url:https://blog.intheswim.com/leaking-pool-pump/

25 hours ago The reason can be either the clamp or bolts are loose, or the o-ring of the seal plate is not good. What you can do in this case is to replace your pump housing. #3: Leaking outlet fitting. This …

6.How to fix a leaking pool pump (The Ultimate Guide)

Url:https://www.pooladvisors.net/how-to-fix-a-leaking-pool-pump/

11 hours ago Summary: If you see water leaking out of the bottom of the pool pump assembly, it’s a good indication that you may have to replace the shaft seal within the motor … 6.Leaking Pool …

7.Bottom of my Pool Pump is Leaking. How do I fix it?

Url:https://www.troublefreepool.com/threads/bottom-of-my-pool-pump-is-leaking-how-do-i-fix-it.54180/

18 hours ago  · When you find your pool pump leaking from the bottom, it may be something of an optical illusion. The leak could actually be coming from a higher spot on the pump and …

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