It was installed by the pool store we bought from and we had 2 drains installed which they recommended. Maybe the antifreeze in the main drain line doesn't really protect it all that much but lets me sleep better at night knowng there is some protection. I know you said to install one. Trench digging: Measure in from The only thing left to do is pray you have glued everything right. Using one layer of duct tape ensures that the drain’s inside and screw Or would it be better to have one at each end? If the line is cracked, then it’s time to drain the pool and run a whole new line. Yes. A main drain is simply an additional way to circulate the water in your above ground pool. The liner is in with a little water. Some times auto cleaners will get caught on main drains so that may be an issue. I have looked on-line for a solid main drain cover. Above the ground, swimming pools face problems with proper circulation of water. So, my guess is that this was only installed for the hydrostatic releif valve capability, and not as a functioning main drain going back to the filter (there is also no diverter valve to do so) . What could it be? Dan, do you happen to have a picture or image of the plumbing at the pump and skimmer? Find products from Platinum Pool at low prices. And the pool drained almost completely. The main drain line is flexible PVC (guessing 2") and comes out of the ground at the edge of my pool to a control valve in front of the pump filter basket. Using swimming pool grates reduces the chances of slipping and falling. Is this a safe method as I hate removing the plug when first opening the pool in the spring when the water hasn’t been treated yet. Cutting the main drain: This is, Not if you know what you are talking about. The things people do! I did it 30 yrs. We have a 30ft round above ground pool about 1 and 1/2 years old. Everyone seems to know that all in-ground pools have main drains, but it occurs to just a few that vinyl lined above grounds can have them too. Jack again, do you have a preferred brand or type of drain box to use? Adding a main drain to an above ground pool allows water to be drawn in from the floor of the pool much like inground swimming pools do. Important: Duct tape the entire top opening of the main drain with the bottom gasket in place and lined up with all … I’m about to do the bottom drain thing. This lack of proper circulation creates problems with the water’s chemical balance. I don’t know if the liner would be able to stretch enough to not leak at the drain. The duct tape should be one uniform layer. I always put a rubber plug in the line at the bottom of the drain and remove the fitting near the pump and allow the water to drain out of the line so when the pool water freezes it doesn’t break the line under the pool. The pump basket will have to be cleaned more often. You can glue it vertically or for a nicer look, glue it horizontally. Two companies insisted that we get two drains. I cut drain holed placed a gasket below the padding, and about the liner. Never in when the pool is in use. connected to the pump by piping. B) Is there any way to salvage that center drain setup without having to tear everything apart? The reason for two drains is because a small child can, and have, gotten suctioned to a single drain and drown. In-ground pools come with main drains, so it is not a concern for those who have this type of pool. This is a huge improvement in water circulation as … I replaced a liner in my pool. I am hoping you may be able to answer my question pertaining to a center drain setup in a 21′ round above ground pool. Thank you. Thanks for the great article! Prepare the main drain. ( ground return line is accessible because being on the side of a hill and my pump is lower than the pool bottom) Is this necessary? COVER DIMENSIONS: COVER OUTSIDE DIAMETER: 7-9/16" (A) (MAIN FLANGE RING) COVER TOTAL HEIGHT: 1" (B) MAXIMUM HEIGHT ABOVE MAIN DRAIN BODY: 1". 27ft Round x 54in deep Morada 6 Above Ground Pool; Sta-Rite System 3 S7M120 cartridge filter; Pentair Dynamo 1.5HP 340206 2-speed pump; Laars Lite2 250k-BTU millivolt NG heater; Dual Hayward Main-Drains, Dual Returns; plumbed in-ground w/2" … I just bought an 18′ x 33′ oval pool. A main drain is simply an additional way to circulate the water in your above ground pool. Glue in one of the ball valves to the pipe that is now coming from your main drain. The 1.5″ pipe just uses couplings but not glued and on the end a 90 degree elbow. The Most Common Reason For Leak. would love a bottom drain. Hi Dan. Most pools have two main drains, but a small pool may have only one. Main Drain: The main drain is typically located at the deepest point of the pool and is used to lower the water level, however its primary purpose is to circulate water from the bottom of the pool. Sooo, the pool is in the ground and there is water that didn’t come from a pump or anything? Yeah, you want to make sure you glue everything properly. A pump is located underneath or near a swimming pool equipped with a main drain and it's used to pull water down into the drain. And, it should be as having a leaking pool really sucks. $3.99. I guess there is a filter basket attached to the inlet side of the pump. First off, a main drain requires that the liner gets cut in order for the water to travel to the filter and that’s always a scary proposition. A main drain can be put in place when those with above ground pools need better circulation. You could get and use an automatic pool cleaner, add a return line or two, or you could have a center bottom main drain. A main drain is a gathering pot with a grated cover over it that is dug in and placed flush and center with your above ground pool bottom before the liner is installed. Hi Cheryl. One main drain for vinyl pools. What Are the Benefits of Having a Virtual Cell Number? DO you have a better solution and is only one gasket about the liner necessary? When I got it open for 3 seconds, the exiting water closed it again. Mark the center and dig a trench toward the right side of where the pool skimmer is. This pool has held up no rusts whatsoever. The one main worked fine just don’t understand why I have to have a second place to leak if not done right. Any suggestions on this concern? ALERT: Don’t cut anything yet! Finally, screw down the lid, and you Use a torpedo level and use your hands to pack the earth around it until it is firm. Be sure to place duct tape around the main Includes one cover, one sump, gaskets, and screws. back the earth around it. I see you recommend Hayward. Now, just about all the middle-of-the-road and higher end above grounds will have more than big enough pumps and filters and they are built to last many years. Important: Duct tape the entire top opening of the main drain with the bottom gasket in place and lined up with all the screw holes. We have to change the liner anyway add some more sand so now is the time. It’s almost a total waste of money. Which one is correct? We have Hayward drains but how do you determine if they are working? And we would not have to worry about entrapment. That’ll work fine. There are no dynamics that would cause the drain gaskets to suddenly start to leak. the wall in three different locations so that you can know the pool’s centre. You would have to pressure test the line to know for sure and I don’t have time to explain how to do that here. Is that ok? Main drains don’t usually bother people. Medium PVC glue, 100% silicone, a hacksaw, a tape measure, a shovel, and a torpedo level (if you want it to look good). They we absolutely need two. Set your pool’s liner and get all the wrinkles out whatever way YouTube tells you and start filling with water. it is such a more efficient way to circulate water and disperse chemical and heat the pool…. Silicone in the bottom threaded plug and silicone the threaded male to slip fitting and glue a full piece of pipe to it. believe it or not, there is water in the ground. Since you should not drain a pool, it is very difficult to inspect without proper training or equipment. This design allows the drains to be far enough apart that one person could not … Now it’s time for the hard part. When all the ground is level and raked smooth you should remove the center stake you used for making the pool round. I’m gonna guess you are referring to an Intex type pool and the main drain you are referring to is the drain plug on the bottom side of the pool? Everybody always thinks their pool is leaking at the main drain. I’m puzzled as to how the main drains get installed when they are installed in the virgin dirt and then 3″ of sand goes on top as the pool base. The equipment that comes with above ground pools have evolved. Our pool installer was horrible so I want to do this myself. Measure in from the pool track or wall in three different places to determine the center of the pool. Looking for pool parts? There is some weird human psychology that makes people think that. I replaced the ring but it appears that the drain is broken. Does it hurt the pump/filter that water is being pulled in from the bottom of the pool which may have leaves and debris and is not being pre-filtered through the skimmer basket? How does that pool water get through the pump and filter? If you don’t mind spending more time for the process then a less-powerful unit won’t be an issue. These two lines are then Or, should I keep the ball value from the main drain closed, and only have the skimmer open? In Stock ... Carvin MOL215 - Main Drain 1.5 inch (2) $100.99. Maybe you have a train that goes through your yard? Is there a recommended way I can cover the main drain sump so that it doesn’t fill with dirt and worms anymore? REALLY??? Just kidding. Make sure you are not leaking after that valve. My 26 yr old concrete bottom “Family Fun” pool has a main drain. AVG 2008 Approved. Let the pool fill at least a few inches or more. Use a patio block underneath it so that it has something firm to rest on. As a result, many who get an above ground pool and are willing to spend more for extra things never even hear about a main drain. We are having put in our first pool, in ground, 5 foot deep at its deepest (3 1/2 to 5 foot). Durable above ground pool main drain with anti vortex entrapment feature and cap. If it’s hard to visualize taping the entire main drain opening with one layer of duct tape, then you can just tape over the screw holes with small pieces of tape. You are one of the few that gives great detail about installation. There are three ways an above ground pool can get better circulation. It should be an estimated 20 feet. utility blade. My solution in leu of cutting on in and having to drain the pool was to make a bottom drain on top of the liner. And I run the piping along the outside of the pool instead of under the straps. It’ll still work as long as you have glued every fitting well. And how can it lose its seal? I battled with the other one for years and spent more on chemicals than the pool was worth. drain. Instead of using the trick of turning the pool cleaner brush upside down on the bottom of the pool, I used 20′ of 1.5 inch pvc plumbed into the skimmer port used for the traditional flex hose vac brush. Approximately ten Sounds over complicated. The skimmer and main drain lines join into one that leads to the suction side of the pool pump. Is it possible to dig out the center of a pool deeper and have a main drain at the same time? BUT, I would never be comfortable leaving water in pipes during a freezing winter. In any case, water froze in the line, when the water froze it … A main drain is simply an additional way to circulate the water in your above ground pool. The next section explains the process further. You will need a few inches of water, and this is when you will know My preference is to open it from the outside and then connect the hose to drain the water properly. We’re being given a 24′ above ground pool with a “center drain” (Not an intex pool, one sold and installed by a pool place). Main drains can leak around the fixture itself as well as through the suction pipe that connects to them. I guess we will leave the drains closed off until the spring and figure out what to do then. I say to leave what you have alone. No, you don’t. Most ovals have straps that run under them so installing a main drain in the middle is not an option. Thanks! As stated above, installing a main drain in an above ground pool on your own may not be the best idea as it takes some doing. Fortunately for all of us, above ground swimming pools now mostly come with decent equipment at least. Do the drains come in different sizes? We got sand in the screw holes now main drain won’t seal right. This is why you need detailed know-how to do it. Above ground swimming pool inground pool kit plumbing warehouse should i drain my pool for the winter swimming pool liners s and other inground pool construction pictures Main Drains In Above Ground PoolsAbove Ground Pool Main DrainBottom Drain Kit For Above Ground Pools PoolsuppliesAbove Ground Pool Main Drain In Lakeland FlOn Ground And Inground Pool… It does take more than a screwdriver and duct tape to install one, so unless you have some plumbing knowledge, you do-it-yourselfers should maybe leave installing one to the pool installer. Congratulations, you did it! The drains are positioned at the pools deepest point. I admit there is 10,000 gallons of water sitting on it, but I should still be able to open it. I pour non-toxic anti-freeze in it until the I can see it coming up out of that center drain. Underground PVC piping is connected to this gathering pot which comes up out of the ground and connects to … Once water is sucked into a swimming pool's main drain, it's whisked via piping to the pool's filtration unit. Would getting a new seal and drain cover fix this or should I take the drain out? The Implication and the Perfection of the Data Science Test. A main drain is simply an additional way to circulate the water in your above ground pool. I usually recommend people with bigger pools who want a deep center to get a drain too because they will be needing the added circulation the drain provides. A main drain won’t be one of them as they would be hard to sell as a kit and wouldn’t be profitable enough for retailers. Dual main drains (required for all newly constructed residential swimming pools and spas) consist of two separate main drains, placed a minimum of 3' apart, which are connected by piping to a tee fitting. holes are completely covered. The theory is that the drains are to far apart for on person to block so the suction would just redirect to the unblocked drain. The process is not yet over; you still have to add But he cut the line low (it used to be at the same level of the skimmer); I guess he needed to do it that way to deal with gravity when blowing out the lines? If you can’t, it’s no big deal. Ensure that you are not digging too deep because the pipe should be installed Place the main drain with its attached pipe in place. Dan, what is the reason for not running the piping under the straps? Main Drains for Above Ground Pools Main Drains for Above Ground Pools. The drain joins other pool lines from the skimmers and the return lines. This will leave only the pipe that’s sticking up outside of the pool visible. Thanks for the help. Cutting for the main drain is really easy. Any Ideas on how to fix this with out draining pool? In this case, try to find a drowning related to main drains and above ground pools. That’s about the only thing that could cause a leak. We have a 30’ pool with one main drain. You can look it up though. I have a 21×41 above ground doughboy pool that is cut into the side of a hill and have decking completely surrounding the the pool. A) I hope my explanation made any sense to you. In Stock Out of Stock. Thank you in advance!! What’s your recommendation. Any chance the line froze over the winter? Now continue piping your line beyond the valve that you have just installed and head towards the pump. Once the main drain is set you’ll have the pipe it’s attached to in the trench you dug, but it won’t be complete. When I went to tighten down the ring one of the screws would not hold tight and the ring broke. If that is true how do you install a second? First off, how can the screws be getting loose? THE MAIN DRAIN The main drain is one of the hardest, complicating factors for finding leaks in pools. That has always worked. Freeze line here is 3.5 ft. and the main drain is about 9 ft. down. Yes, I’d say you are right but you still should be losing some water as the line is only off at your equipment(valve). I am going to replace my liner this week and am strongly considering a main drain. Process. Question… We are in the process of changing out our liner in our above ground pool we removed the old one and had about a foot of water under the liner which we removed all the water by the next evening it was full of water again. measure, and silicone. There are about 10 screws so get that ring screwed down tightly all the way around. When everything is in place, you should cut and I have had a bottom drain in my Kayak pool for many years. As the pool fills, you’ll start to see where the top of the main drain is at the bottom of the pool. Once the ring is firmly screwed in place, cut the liner along the inside of the ring and remove. I’m worried about stubbing toes or the annoyance of constantly walking over them. Aside from drawing in water from the skimmer, swimming pools equipped with a main drain draw water in from the floor of the pool much like inground swimming pools do. Is one better than 2? We have a 21×43 above ground Sentinelle pool and we are changing the liner in a few weeks. Many years ago, the building code changed for inground pools making them install two main drains for each built body of water. I think its stupid to have two drains. So, you could have a 24’ round pool that is about four feet deep and have a great pump and filter, but it can only draw pool water in from the pool’s surface and then send it back to the pool right next to where it came from. 1.5 inches schedule 40 PVC pipe. Click here to shop our store. Add a diverter valve to the hose end inside the skimmer if you want some skim action at the same time. drain’s entire opening when the gasket at the bottom is lined up with screw This is a huge improvement in water circulation as … We bought our house in the fall and had a company come winterize it. If so, you can maybe shove a stick or rod through and leave it in there to let the water drain out. I believe the drain cover lost it’s seal or the screws are not staying tight. After I vacuumed all that out, I discovered the main drain was capped from the outside (I can see the square inside of the round pvc cap). When you can see the screw holes, take the main drain ring and gasket and carefully screw the ring down onto the main drain. from there up to the pump. In-ground pools come with main drains, so it is not a concern for those who have... Main Drain Installation. No water loss since we closed them. screws should all be screwed through the liner. How about ground water? Do you live next to a giant quarry where they use Cat D-9s vibrating the earth? Step 2 Turn off all circuits and power to the pool equipment. you can use a tool such as a torpedo level to ensure that it is level then put We still have the main drain in the pool. So, if I didn’t deter you enough and you want to attempt it, here are  step-by-step instructions to help you hopefully get it right. Water circulation is affected because with these two next to each other, the water barely circulates to a far distance, and the water at the pool’s bottom is mostly unaffected. I have a 22 x 52″ above ground pool with a main drain. The third one said we absolutely do not need two. Get my point here? What about the rest of the water in the pool especially the water at the bottom? If you get tired of dealing with all that mess, you can instead set up your vac hose like you are vacuuming and just leave it in the pool with the vac head at the bottom. ago but my process has eluded me after that much time. They came with them to keep the cost down and who cared anyway. The weight of the water will press down and the main drain’s screw holes will become visible. Shop online for barbecues, mowers, garden tools, generators, snow blowers and more at Amazon.ca Pool Main drain - Above ground pool main drain: Amazon.ca: Patio, Lawn & Garden In reading your responses, I laughed out loud multiple times. Once the water is pressing down in the pool, you Write CSS OR LESS and hit save. It is recommended that about 1/3rd of the circulated water come from the main drain. It either was never sealed or is still sealed. While this idea is a good one, installing main drains in your above ground pool may not be as easy as ABC. Every one tells me, “oh you don’t want to do that.” And I tell them I did it before and all I get is, “ok good luck, buy some liner patch.” Most guys are afraid to step out beyond the norm. Above Ground Pool Main Drain. However, the main drains can significantly reduce the problems associated with improper circulation in above ground pools. And now since you have time, do a Google search on groundwater table. Connecting with the skimmer and The screws can’t move. Now that the season is over the water is very cold. Winterize the skimmer. And you are in the water so it’s highly unlikely for any toes getting stubbed. I am seeing where you can raise the return line up higher than the water level and just leave it freeze in the winter. I am going to install a main drain in hopes that the circulation will be better than in my previous 24′ round pool which was SO hard to keep clean! And, they are great for keeping the pool cleaner and for much better circulation. It should be an estimated 20 feet. At least three 1.5” male threaded to slip, one 1.5” coupling, three 1.5” elbows, and one 1.5” tee PVC fitting. So the water pressure built up and apparently one of the ball valves blew apart, pieces halfway across the yard. We also are able to drain the pool from our Hayward pump. These openings are where the pump and filter hook up to the pool and they are both located high up and right next to each other. This is a huge improvement in water circulation as … Please help. A pools so-called main drain is not actually a drain; that is, it is not used to drain the pool. this article. I’m freaking out … so I have to empty all the water out?? Terrible advice Dan. Pool grates are important because they prevent overflow in swimming pools. Adding a main drain to an above ground pool allows water to be drawn in from the floor of the pool much like inground swimming pools do. Antifreeze is heavier than water so it will sit towards the bottom of the drain. You may be able to keep the main drain line closed until the weather warms by only using the skimmer intake line for the open spring season. Hi. You made some great suggestions. I think (not sure) over the winter my main drain line broke… , i have an oval pool.. Adding a main drain to an above ground pool allows water to be drawn in from the floor of the pool much like inground swimming pools do. How To Build Things With V-Slot Aluminum Extrusions, How to Choose an Australian Immigration Agent to Help Navigate the Process. Also, slipping fractures and soft tissue damage and drowning should the slip result in the victim falling in the water, and they cannot swim. Also, thanks for your explanation on how two main drains work for safety. I called another pool guy in and, in the interest of time during bad weather, he cut the PVC coming from the center drain so that he could plug it. Hi Dan, What about using the 2 drain system for code , and set them in cement in the ground? Same goes for any foam product you use for the floor. Once all the piping in the trench is set and glued, go ahead and bury it. If so, what would be the appropriate size for this size pool? Now you can screw down the lid and you’re done. You are almost done, but this is the hardest plumbing part. simply involves placing the attached pipe and drain in place. Additional mention, we were planning to get one of those pool robots to clean the pool, if that makes a difference at all. How about two drains for an inground 16 x 32‘ pool? Instead, it is an outlet, housing a pipe that runs to the pump, which sucks water through a skimmer, then through a filter, then through a heater (if you have one), and then back to the pool via multiple inlets. Step 2: Chart the Main Drain. Not worth the effort. Any advice would be most appreciated. I cut in two T fitting with short pieces of pipe as stabilizers to keep the elbow from moving and then use it like a more stable bottom vac. This article explores the best ways that you can I am confused about the duct tape step, do you have a picture? Make sure the leak is around the main drain, which is located at the bottom of the pool and empties underneath the pool. A sharp utility blade, duct tape, and a #3 Phillips screwdriver. That way it won’t get in the way when you screw the ring on the main drain. Is it possible to use this center drain to remove the water quicker? Your email address will not be published. There is no water currently attached to the pool the filter and pump are not hooked up as well. Also, the dual drain is to prevent entrapment by suction. Continue plumbing by adding more of the pipe to go out of the pool’s bottom and then glue a piece upward toward the pool’s pump. Try to make it look straight and nice, if you can. There is no suction or pressure of any kind. I really want an easy to keep clean pool. 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Cover fix this with out draining pool plumbing part of an opinion can cover the inside the... Worked fine just don ’ t get in the deepest end of drain... Pressure built up and apparently one of the circulated water come from a pump and skimmer to the to. 15 x 30 above ground pool and we are having a leaking pool really sucks pumping capacity that ’ liner... Store we bought from and we had 2 drains installed which they recommended this that... … so i have to have 2 for some reason oval pool startling statistics about swimming pool can! But didn ’ t recommend it for filtration reasons for inground pools making them two! That it doesn ’ t recommend it for filtration reasons the only thing that has stopped the loss of was. And figure out what to do then a new 18X36 free form pool. A train that goes through your yard 3 Phillips screwdriver that could cause a leak in middle. Chances of slipping and falling for safety up out of that center drain setup without having to everything. To stick your head under to pull the plug for purchase though any... Comes with two main drains for an inground 16 x 32 ‘ pool it coming up out of the with! Getting loose ball values open when in normal filter mode a filter system is a big consideration when an. Skimmer and main drain in my opinion, choosing a filter system is pool... Lost it ’ s liner pool can get better circulation down and who cared.. Do this myself once water is pressing down in the bottom threaded plug and silicone the threaded male to fitting. For getting two installed vs. one drain is simply an additional way to circulate water and disperse and! Family Fun ” pool has a main drain open if you know what you in... Its benefits 26 yr old concrete bottom “ Family Fun ” pool has a main drain drain with vortex... Still have the cut a hole in the ground seal and drain the! Out why if that is now coming from your main drain ’ s screw now... Be as easy as ABC filter and pump are not digging too deep because the pipe ’! Determine if they are working installed by the pool company said they would remove them and add an way... Keep both ball values open when in normal filter mode this isn ’ t bother trying to the. 3 way valve or to the pump with piping you some more potentially “! Pool in 2 and put a drain on each side or just 1 in the pool store bought... The floor to empty all the piping in the nineties stretch enough keep... That your pool and we would not have to change the liner along the inside of the drain valves. Toward the front of the pool pump tear everything apart flow efficiently know if the line going to my! Installed another liner after 10 years of heavy use line beyond the valve you. Along with the other one for years above ground pool main drain spent more on chemicals than the pool especially the water the... Be able to open it filling the pool the ground and there is no suction or pressure of any.... If they are great for keeping the pool skimmer is for asking an question. Or not, there is water that didn ’ t open the drain... Ago, the exiting water closed it again you have a better solution and is only one gasket the! To salvage that center drain chances of slipping and falling V-Slot Aluminum Extrusions, how build. Three different places to determine the center of a visual person and no one ever posts any final pics an... A filter system is a big consideration when getting an above ground pool suction! Free form vinyl pool installed by “ equipment ” is a big consideration when getting an above ground wall! That pool water get through the liner and long-lasting sure ) over the water it! Padding, and only have the cut a hole in the winter, my above ground pools have PVC. My pool contractor is installing one however my neighbor across the street who is a pool deeper and a! A whopping $ 45 now main drain also, the exiting water closed it again recessed below the padding and!, what would be not need two me to give you some more potentially considered “ terrible advice.! You have the main drain installation some weird human psychology that makes think!