Forum Title: Another First Time Pool Closing
Old pool, new to me. Been reading like crazy and think I've got it right. Main main question is since my 3-way valve controls deep end skimmer/main drain, shallow end skimmer/main drain and pump, am I properly clearing the lines? I'm applying compressed air to one end of the pool by closing the valve to the other end, when the skimmer bubbles I cap it and wait for the main drain to bubble then close the valve and repeat for the other end. Once the other end is done I close the valve to the pump thinking I've sealed the air lock. My concern is when the skimmer is blowing air there is still some water there as it blows air out. Is that OK? I assume it is since any water would be replaced by air as it rises when I airlock the main drain. Does that make sense? Here are my complete steps and an attached image of my setup. Thanks for the help!! Lower water below skimmer and inlets Pressurize with compressor at pump (25psi). 1/4? compressor fitting into pump drain opening. Close valve on suction side Clear pressure side (after pump side) Cap shallow end inlet (doesn?t really match which you start with) Once one deep end inlet blows only air uncap the shallow end and cap the deepend Once shallow end inlet only blows air detach compressor and cap it. Now the pressure side is capped shut To clear the inlet it helps to cover the inlet with the cap for a few seconds to let pressure build and remove to blow out water. Repeat until only air comes out. Clear deep end suction side Set the suction side valve to close the deep end Attach compressor Once skimmer blows air in deep end cap it When main drain bubbles turn valve to shallow end Deep end main drain is air locked Clear shallow end suction side (before pump) Once skimmer blows air cap it When main drain bubbles turn valve to shallow end and detach compressor at the same time Deep end main drain is air locked Close suction side valve and open filter side valve
Category: pool Post By: DORA DAWSON (Reading, PA), 02/10/2019

Old pool, new to me. Been reading like crazy and think I've got it right. Main main question is since my 3-way valve controls deep end skimmer/main drain, shallow end skimmer/main drain and pump, am I properly clearing the lines? I'm applying compressed air to one end of the pool by closing the valve to the other end, when the skimmer bubbles I cap it and wait for the main drain to bubble then close the valve and repeat for the other end. Once the other end is done I close the valve to the pump thinking I've sealed the air lock. My concern is when the skimmer is blowing air there is still some water there as it blows air out. Is that OK? I assume it is since any water would be replaced by air as it rises when I airlock the main drain. Does that make sense? Click to expand... Your 3-way valves, regarding your skimmer/main drain, is this all together. Is the main drain attached to the skimmer? Or can you shut off the main drain and leave skimmer open and vice versa? Leaving some water in the skimmer is perfectly fine. I lower the water below the skimmer and blow out all the water at the equipment pad while vacuuming out the remaining in the skimmer housing. The little left in the lines is negligent. Teflon tape on Gizzmo's and close them down. The main drain is last as the bubbling effects creates so much movement on the surface of the pool that water enters back into the skimmer housing. Your post is very well written and does make sense. I just want to make sure that you can shut off the main drain after clearing the line with a 3-way valve. Also, what type of blower or compressor are you using? Thanks!

- MATTIE REEVES (Binghamton, NY), 04/17/2019

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