Question about Waterway 22" Swimming Pool Sand Filter W15 Hp Pump

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Sand is being pumped into the pool - Waterway 22" Swimming Pool Sand Filter W15 Hp Pump

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This usually indicates a broken spider gasket in the top valve. Your local pool dealer should have a replacement. it is simple to change, just remove the screws at the top of the valve around the flange and the spider gasket shoud be visible. Take to the dealer and get it replaced.

The Pool Tech

Posted on Aug 07, 2010


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1 Answer

Leaks sand

you might have a broken lateral (takes the clean water to pool) that sucks sand in and pumps back into the pool. Also if you either just replaced sand, or disturbed it by backwash or something similar it could be a temporary problem sending out some sand temporary until it settles


Jun 17, 2015 | Pool & Spa

1 Answer

Sand is getting into the pool.after trying sand removal cleaning the "fingers" and making shore they were all connected what else could it be?

If you are getting sand back into the pool from what you have described and there are no holes in the lateral fittings then the gasket on your multiport valve is worn out and needs to be changed.

US Parts Center

Apr 17, 2013 | Hayward 3/4hp Super Pump Inground Pool...

1 Answer

I have had my pool up since April, and it has been working fine. On Sunday, I vaccumed pool, and when I turned pump back on, it threw dirty water into pool, and now it throws sand into pool. We took out...

Is there an air ejection tube in your filter? My guess is you do and the little tube is not sticking up onto the top, rather, the little tube is in the sand and it is vacuming the sand into the return water flow due to the "venturi effect".

Check it out and let me know what you find.

Thanks for your question @

Aug 03, 2011 | Intex 2100 Gph 95 Hp Sand Filter Pump With...

1 Answer

How do i change the sand in the filter? I am getting sand in my pool.

You will simply remove the old sand from your pool filter and follow the instructions from your users manual like you are adding sand for the first time. In case you don't have it, I am going to paraphrase it for you below.

1. Be sure correct amount of filter sand media is in tank and
that all connections have been made and are secure.
IMPORTANT: To prevent unnecessary strain on piping system and valving, always shut off pump before switching Filter Control Valve positions.
The correct amout of sand can be determined with this link:

2. Set your controls to the backwash position.

3. Prime and start pump according to pump instructions. (be sure all suction and return lines are open), allowing the filter tank to fill with water.

4. Once water flow is steady out the waste line, run the pump
for at least 2 minutes. This initial backwashing of the filter is recommended to remove any impurities or fine sand particles in the sand media.

5. Turn pump off and set valve to RINSE position. Start pump and operate until water in sight glass is clear—about 1/2 to 1 minute. Turn pump off, set valve to FILTER position and restart pump. Your filter is now operating in the normal filter mode, filtering particles from the pool water.

6. Adjust pool suction and return valves to achieve desired
flow. Check system and filter for water leaks and tighten connections, bolts, nuts, as required.

7. Set your filter to the "filter" position.

May 22, 2010 | Hayward SAND FILTER, PRO SERIES

1 Answer

Last fall when I closed my pool, I noticed a fair amount of sand exited out the bottom of the sand filter drain. In previous years, only water drained from this location. I have now opened the pool and am...

You may have to change the sand if you never have. Or if it's not too bad you can "clean" it. When you removed the plug form the pool, there should actually be two parts. This first part threads directly into the filter, and has a screen on it to hold back the sand. The second one is the plug. This is the only part you should remove, except when changing sand etc. Even if the pool filter is working you can have cloudy water. See you pool supply, and try a floc to help settle dissolved solids in your pool. You add this, run the pump awhile to mix, turn pump off overnight, and then vacuum everything next day. Then turn pump back on.

May 22, 2010 | Hayward SAND FILTER, PRO SERIES

1 Answer


First, the vacuum should easily pick up sand if the pump is working properly. The sand in pool may be coming through a cracked or broken lateral. If you changed the sand recently and did not prefill the tank with water, then this could be the reason. Plastic parts do fail eventually. Be sure that you perform the rinse cycle aftewr backwashing to settle the sand bed. Instructions on filter tank.

Aug 12, 2009 | Hayward Pro Series 18" Above Ground Pool...

1 Answer

Sand in above ground pool

what type of sand make sure its for pools should only have 2 bags max in filter

Jul 24, 2009 | Hayward Pro Series 18" Above Ground Pool...

3 Answers

Can i hook up a intex pump to a sand filter


Jul 13, 2009 | Intex 2500 Gallon Sand N Sun Pool...

1 Answer

Sand coming out of my sand filter into the pool after changing the sand in the filter

Replace the lateral assembly. Be sure to fill the tank just under half way with water before adding the sand back in. Otherwise you risk cracking the laterals.

Jun 14, 2009 | Hayward Pro Series 18" Above Ground Pool...

1 Answer

Replaced sand now filter isnt working

if u used play sand, or any other type of sand thats NOT pool filter sand, that could be the problem. also if there is too much sand or too little sand that could also cause this.

Jun 08, 2009 | Hayward Pro Series 18" Above Ground Pool...

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