![]() ![]() Doing this right can get over 95% of the water out of the return lines. Put a plug in the fitting under the water when you see the bubbles blowing at full force. Make sure to keep the air blowing until the air is visible coming back into the jets of the pool. Use an air compressor to blow out all the return jet pipes. Also remove the skimmer baskets and weirs (weirs are the little flappers at the throat of a skimmer that function as a door). Unscrew and loosen any quick disconnect fittings or unions at your pump and filter system. If you have any additional equipment like an in-line chlorinator, booster pump, auxiliary pumps or valves with drain plugs it is helpful to apply the same steps outlined above to these. It is generally not recommended to remove a heat exchanger or burner tray. If you have an air compressor try to blow any remaining water out of the heater. Not all heaters have multiple drain plugs. ![]() Pull the drain plugs on the front and back “headers”. If your pump has unions you can completely disconnect it from the plumbing and turn it up-side down to get any remaining water out of it. This is a two person job.ĭisconnect the drain plugs on your pump and put them in the pump basket. Use your air compressor or a shop vacuum to blow out the lines if possible and plug them. Blow out the lines at the pool equipment.NOTE: Many swimming pool companies put the drain plugs for all the equipment items in the pump basket. You can also unthread the filter unions that connect it to the plumbing pipes to further drain water from the filter and backwash valve. If you use Acid on the DE grids be sure to fully rinse them so the acid does not continue to corrode the grids when in storage. If you are taking a DE or cartridge filter inside, this is an opportune time to clean the cartridges or DE grids beforehand. If you have a small filter that can be drained and carried into a warm area where it will not freeze this is preferred. It is important to get air inside the filter. Sand filters should also have the main drain plug removed and water drained out. If you have a “dial” or multiport backwash valve it is generally not a good idea to remove the top and expose the spider gasket to ice buildup – however it is recommended to make sure it does not have water in it. You will also want to pull open the backwash valve and leave it open if it is a “push-pull” or slide style backwash valve. Then pull the filter plug to drain the main tank. If you have a sand or DE filter it is important that you start by backwashing it. For a full winterization you will also typically want to use an air compressor to blow out your swimming pool lines. How to winterize and close an in-ground swimming pool.įirst try and find any chemicals and supplies used from previous years such as the cover, cover weights, skimmer plugs (also called gizmos sometimes) antifreeze, and flotation devices for a cover. We have a separate post about how most pool owners commonly deal with how to winterize a swimming pool in Texas. NOTE: A swimming pool winterization of this type is rarely done in Texas or some of the other southern states because the weather typically does not stay below freezing for enough days to freeze the ground to a depth where there are benefits from blowing out the lines or having anti-freeze in them. Some of the trade-offs with that slightly different method are discussed below when that step is outlined. It is now becoming common to perform this method throughout the US and in other countries.Ī slight variation of these steps can be performed where the pool is partially drained and an anti-freeze product is added to the lines instead of blowing out the lines and sealing them. Steps to winterize a swimming pool: The method described below whereby pool plumbing pipes are blown out and sealed first was most widely performed in New England and the East coast of the US. ![]() Whether you're a new pool owner with a stunning pool design or veteran home pool pro, this guide contains important information for all classes of pool ownership. How to Winterize & Close an Inground Pool ![]()
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