My Pump is Leaking Water

by | Oct 23, 2018 | Pool Pumps | 50 comments

My Pump is Leaking Water

Causes and solutions for pool pump leaks.

If you go back to you pool equipment pad and find water under the pump (and it is not raining) then you have a problem that needs to be repaired. If a pump leak is not repaired (particularly a mechanical seal), it can result in a ruined motor or a ruined pump. Here are some of the most common sources of pump leaks.

Mechanical seal failureĀ – the mechanical seal is located where the shaft of the motor goes into the back of the pump. It is very difficult to see and often is completely obscured. If you cannot see the shaft of the motor, then the best way to check for a pump seal leak is to take a mirror and place it under the pump and look for water trickling down the back of the seal plate. Mechanical seals can fail due to old age, water chemistry damage, pump overheating or improper seal installation.If the mechanical seal fails, it is very important to get the seal replaced as quickly as possible because a leaky mechanical seal can allow water to travel up the shaft of the motor to the front motor bearings and can quickly ruin them. When the bearings go out, it is time for a new motor or a new pump, so it is wise to replace a mechanical seal as soon as it begins to leak. It is also a good idea to turn the pump off if possible until the repair can be made, to keep further damage to a minimum.

Seal plate gasket failure – every pump has some sort of a gasket that seals the two halves of the pump where they bolt or clamp together. Over time these gaskets get old and hard and begin to leak. This usually results in water leaking off of the bottom of the seal plate.

Piping leaks – if the pump is hard plumbed in, it can leak at the piping connections at the front and top of the pump. If it leaks at the front of the pump, it will suck in air, but it will spit a little bit of water immediately after it is turned off. If it leaks at the top of the pump, it will result in a drip or stream of water coming off of that point. If you have a piping leak, it must be replumbed. Putting silicone or putty on a pipe leak is not an acceptable repair. It must be replumbed.

Structural failure – sometimes, as a pump gets old, the material will develop stress cracks. Usually if a pump is this old, it does not make sense to spend several hundred dollars repairing it. It is better to spend the money on a new pump with a full three year parts and labor warranty.

NEED HELP? Having problems with your pool pump? Need a new one but you’re not sure what type to get? Contact Pool Stop today! Give us a call at 972-772-4545 to ask questions or set up an appointment OR hit the “Request Service Quote” button and fill out a service request form so we can schedule your service call. Our team of experienced, licensed professionals is available to help you with expert advice, repairs, and installation.

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