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The valve for the main drain on older pools would be located at or on the equipment pad. You will most likely need a pool tech who knows how to plumb pool equipment to have it changed out.

On the other hand if you mean replacing a broken or loose main drain grate then you would have to take the loose or broken grate to your local pool store for an updated version replacement. They will advise from there.

k

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โˆ™ 2007-09-08 16:36:49
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Q: How do you replace a swimming pool main drain valve?
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How do you unclog a swimming pool drain pipe?

How do you know that the main drain is plugged? When was the last time that you back washed or cleaned the filter? If there is no flow at the main drain - check to see if a valve has been closed or adjust the variflow valve in the skimmer - located at the bottom of the skimmer- if you have that type of skimmer. Also check the pump basket - it may be full of debris.k


Can you replace the main drain in concert pool?

no you can not


How do you plug the broken main drain of a swimming pool?

Would advise that you get a professional to address the situation first hand. The main drain is intrigal to your circulation.


How do you close the main drain of your in ground swimming pool?

My pool has two main drain openings, to prevent entrapment. I use a Kreepy Krawly pool cleaner so the main drain stays closed all the time, otherwise, the Kreepy Krawly would get stuck every time it passes over the main drain. There is a valve located with the pool equipment (filter/pump/various valves) which is used to open and close the main drain. I'm no expert, but that's the way mine works.


How do you replace expansion tank at house?

You turn off the main valve and drain water, unscrew old tank and fit new one. Turn on water again.


Why is your pool draining from the main drain?

If you mean you are losing water, it may be a broken or cracked main drain or possibly your hyrdo-static valve is malfunctioning. One other possibility is a break in the pipe going to the main drain.


Do you use the main drain and the skimmers when filtering your swimming pool?

Use the main drain when backwashing, rinsing, or vacuuming. Use skimmer all other times to filter.


How do you replace main water valve?

You turn off the water valve before it -probably on the sidewalk, or just on your front yard. Then remove the main valve and replace it. NOT a job for amateurs. I hope you have some experience at least.


Can you use the main drain to lower the water level past the skimmer?

No. You cannot use the main drain to lower the water level below the skimmer. This is because the main drain is not really a drain. It only connects right back to the 3 port valve in the skimmer.


What is the Purpose of a main drain in a swimming pool?

If its not connected through the skimmer I imagine it's there to empty it. hmmm, on the above. The main drain in pools is for circulating the lower part of the pool and is not intended to drain the pool as in a bath tub.


Is there a shower drain with a built in check valve?

You can get a back water valve. It is similar to a check vale/ the back water valve goes on your main sewer line out side of home. It is desined to stop black water form coming into your home if main line stops up. Thay do make a device that can be installed into an exsisting drain it lets water through your drain but will not let water back up through you shower drain.


How can you figure out which valve on your filter system is the main drain?

If you look at the pipe that is going into the filter pump you will notice that it has a tee that is peceeded by two or three pipes comming up from the ground. Those will be from the skimmer, main drain, and if you have one from the cleaner. If you observe the flow of water in the skimmer then change the valve so there is no more water flowing that will be the one going to the main drain or cleaner. Repeat the process to eliminate which one is the cleaner. Which ever one is left is the main drain.

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