Question about Hayward SAND FILTER, PRO SERIES

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How to change a lateral in an s244s hayward sand filter

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You will have to remove the sand so you might as well buy new sand. Remove drain cap and allow to drain. Remove multi port valve from top of filter. This model should have a clamp holding the valve onto the filter. You will have to disconnect the piping from valve for removal, so if it's piped solid, cut piping, and buy PVC unions to glue back in place so you can open in the future. If it's hose, then no problem. OK so once you remove the valve, you can see inside and see the sand. Take a shop vacuum and vacuum the sand from the filter. Take your time and empty vac, before it gets too heavy. Once empty, you'll see the laterals in the bottom. They if you rinse them off with a hose, to remove sand to keep from binding. The laterals should fold up to the center. Once folded you can remove assembly. After installing new laterals, partially fill the filter with water before adding sand. Cover the down pipe so no sand can enter. Add sand gently so you don't break new laterals (water helps cushion the adding of sand) You can download a manual here :

Posted on Aug 07, 2010


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Posted on Jan 02, 2017


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4 Answers

When backwashing...sand discharges out backwash hose..

A little sand in backwash is not uncommon. Many packaged sand filter systems use pumps whose flow rates greatly exceed the flow capacity of the filter.(the more horsepower the better, right? - Wrong) If this occurs only during back flush the the pump is too strong or the sand level is above the beginning of the rounded top of tank. The sand level will eventually correct itself.

Aug 10, 2012 | Hayward SAND FILTER, PRO SERIES

1 Answer

I just had a new Hayward s244s sand filter put in and now am having problems draining water from my pool. For some reason I can't get it to drain past the skimmer level. Suggestions?

What are you using to drain the pool? A sand pool filter is not the best option for draining. You need a submersible pump for that. Why are you draining the pool? The filter should be used to filter water, not drain. It is possible, but not efficient.

May 21, 2011 | Hayward SAND FILTER, PRO SERIES

1 Answer

Model # s244s has dirty sand and vacuum pressure is not good. Sand is dirty . Pressure valve has pressure of 50 psi

This is a serious issue. These vessels are only pressure rated to 50 PSI. Anything more can be an explosion hazard.SHUT DOWN THIS SYSTEM!

You need to remove all the sand and replace it. While your inside, you must clean the LATERALs. (small tubes on bottom of the filter)

This will reduce the pressure.

It is a good idea to replace the laterals in the bottom of this filter if it is in your budget to do so. The pvc laterals become brittle and often break when tampered with .

Note: only use #20 silica pool filter sand as a replacement.

May 08, 2011 | Hayward SAND FILTER, PRO SERIES

1 Answer

I replaced the sand in the pro series high rate sand filter im getting sand back in the pool?

Above is the link to all hayward sand filter manuals, with parts diagrams.
The most common cause of sand getting through after a change-out, is a broken lateral. The laterals at the bottom of the filter are very fragile, and prone to breaking. When refilling the filter with sand, it should be 3/4 of the way filled with water first to take weight of of the lateral grid. One other possibility is the air bleeder line has come undone. Regardless of which one it is, you will have to go back in and find out.

Use the above link to the parts diagram to identify and order any parts neccessary. Laterals are cheap, so if your doing one of them, you might as well do all of them.

Jan 14, 2011 | Hayward SAND FILTER, PRO SERIES

1 Answer

Why does my hayward pro series s244s blow out sand when the filter is put on, and has little to no pressure?

This indicates that one or more of the laterals are cracked or broken. You will need to open the tank, remove all the sand, inspect the laterals(tubes that come off the center 'stand pipe'). replace any that have cracks or are broken. If you can't tell, replace them all. Fill tank back up with the right amount of sand and close it all back up.

Jul 08, 2010 | Hayward SAND FILTER, PRO SERIES

1 Answer

I need to change the lateral holder assembly and bottom screen on a Hayward S-200 sand filter. Will I need to remove the variflow valve or will it just come right out?

You will need to remove multiport valve and remove all the sand with a scoop. Not alot of fun. Think about replacing sand with ZeoBrite filter medium when you put it back together

Aug 02, 2009 | Hayward SAND FILTER, PRO SERIES

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...

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How to change sand in Hayward S-200 Sand filter

hayward S-180 filter takes 150lbs, S-210 takes 200lbs not familur with the S-200. To change sand you have to remove the vari flow valve on top. You can either unplumb the filter and roll it over on its side and try washing the sand out or try scooping it out upright. Whatever you do dont damage the laterals on the bottom of the filter. When refilling with sand you want to make sure all the laterals are undamaged and in the down position. I always fill the filter half full of water to keep the sand from damaging the laterals while re-filling the filter with sand. Make sure you use pool filter sand and not play sand!

Apr 27, 2009 | Hayward SAND FILTER, PRO SERIES

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