Question about Hayward S166T Pool Filter System w1 HP PumpS166T92S ()

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Sand filter laterals

Do the laterals just sit in the bottom of the filter

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  • Hayward Master
  • 6,498 Answers

No they are screwed to the vertical pipe

Posted on Mar 05, 2016

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Posted on Jan 02, 2017

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jharwell668
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SOURCE: do laterals in a sand filter move in a circle...

Try consulting the users manual for these pool filters. It has a diagram of the parts of the filter and how they work. It should help you out.

http://www.backyardcitypools.com/images/hayward/pro-series-manual.pdf

Posted on Sep 02, 2010

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1 Answer

Seal on top will not let cap close


Not sure what you mean??
A little more detailed information, even if you don't know proper terminology, some greater description will allow us (someone on this forum) to assist you.
If you have a filter similar to the picture of the one above that accompanied this post, then there is NO cap! There is no cap that you can open or close. Can't tell for sure what it is you are referring to when you say "pressure cap"?
Then you mention something about the Clamp?

I will take a stab...
Did you just remove the " MultiPort - Dial Valve" from the top of the filter? And now you are trying to reinstall it?
And is it that you can not get the valve to go all the way down onto the filter tank? And the two flanges: the one on the valve is not meeting the one on the tank? And the "Clamp" just can't grab both of the flanges to tighten the valve to the tank?
Is this your problem?
If so:
You have a problem!!!
The plastic "Stand Pipe" from the bottom Lateral Assembly is sitting "Too High" and the valve has bottomed out on top of the stand pipe.
Thus not allowing the valve to go down any more, leaving the gap you just can't close.
What may have happened: when adding the sand to the tank, the following bags after the 1st, allowed the lateral assembly to rise and instead of sitting on the bottom of the plastic tank, it is now sitting on some sand, raising it? Even an Inch or so, will now create a situation where the Multiport filter valve will be too high and not allow the Sand Filter Multiport valve to seat properly.

Fix = Remove the sand and start all over again.
Remember: Very Important:
  • Add water to the tank "First", just above the individual laterals
  • Place a cup or tape or something/anything covering the opening in the stand pipe, so NO sand gets into the lateral assembly!
After the 1st 1/4 of the 1st bag is poured, stop and adjust the pipe - "BUT NOT LIFTING IT", to be centered with the hole.

Good Luck

Oct 26, 2014 | Hayward SAND FILTER, PRO SERIES

1 Answer

Filter sand in pool


Greetings,
I am all in as well with the previous assistants (A. Miller) remedy to your problem.
Broken Laterals at the bottom of the filter.
There is no other way sand will enter the pool, bypassing the equipment, unless there is some kind of compromised equipment. As mentioned by A. Miller, the laterals are located at the bottom of the filter, normally about 9 of them approximately 6" long and about 1" in diameter. There are very thin cuts or kerfs in them that are smaller than a grain of #20 Silica Sand. Therefore only water (in theory - clean filtered water) will enter them after being pushed by pressure through the bed of sand to the bottom and entering the collection manifold via the lateral drain assembly.
As A. Miller mentioned, if only one lateral is broken, cracked or compromised, the pressure that is in that filter tank will definitely find that compromise and will "Push" sand right into that lateral, thru the rest of the system and into the pool terminating out the return lines and will collect normally immediately under the return lines. Normally more heavier at the nearest return line to the equipment area.

Although - Another possibility is, if the tank had more sand than required, when you "Backwash" sand could enter into a Multi-port valve (if you have one) and will enter into the return port, and when you turn the valve back to "Filter", you will see sand enter the pool.

Or, another reason could be inclusive of the problem above PLUS a deteriorated filter valve gasket, commonly referred to as a "Spider Gasket". The ports are supposed to be individually sealed and not allow water/debris/sand to pass between these ports, and this gasket keeps them individually compartmentalized.
But a compromised gasket seal could at times create a situation that may lead one to believe that a broken lateral is the culprit.

Removing sand is a chore! Taking the top cover off of the MultiPort valve is easier and a gasket relatively inexpensive.
But if your laterals are compromised, break out the ole shop vac and find that problem.
Good Luck

Apr 13, 2014 | Hayward SAND FILTER, PRO SERIES

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

My intex sand filter is shooting sand into the pool


You have a broken "lateral". You will have to remove the sand from the filter, find and replace the broken lateral (pipe with slots in it in the bottom of the filter). When you are ready to refill the sand, put enough water in the filter to cover the laterals (several inches actually) to avoid damaging them as you fill.

Thanks for allowing me to assist you this evening @ FixYa.com

Jun 22, 2011 | INTEX Sand Filter Pump

1 Answer

Sand Leaking From Filter into Pool. When my filter is running I am experiencing sand in the bottom of my pool from the filter. What can be causing that?


There is only one thing that can cause sand to come back into the pool from a sand filter. The internal assembly, called the lateral assembly, is either cracked or broken. This is an easy fix and should cost you around $70 to replace the whole thing. You need to unscrew the bottom drain cap on the filter to remove the water in the tank. Then, remove the multiport valve on top of the filter. Take a shop vac and remove the sand in the filter. If the sand hasn't been replaced in the last 3-5 years, this would be a great time to do that since you already have the sand out anyway. Then, remove the lateral assembly and inspect the entire thing. After you replace the lateral assembly, you'll need to fill the sand filter tank 1/2 full of water before adding fresh sand. This is done to cushion the laterals from the weight of the sand. Cover the hole in the top of the lateral assembly pipe with a cup or duct tape to prevent any sand from getting inside the pipe (the sand will come out into the pool if it gets into the pipe). Fill the tank 3/4 full of pool filter sand. Make sure it is genuine silica pool filter sand from a pool company. A lot of big box and home improvement stores sell play sand as filter sand. This will cause you more problems!

Jun 16, 2011 | Hayward SAND FILTER, PRO SERIES

1 Answer

Sand and debris isn't being filtered out and comes back into the pool via return water


The lateral assembly in the bottom of the sand bad inside the filter is broken. You may not even see damage on it when replacing it but it is the problem. Replace the sand while you are at it. Be sure to fill the tank half-way with water before adding sand back into the filter. Also be sure to cap the top of the lateral assembly so sand doesn't get into the standpipe that inserts into the bottom of the valve.

John

May 29, 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

Sand shoots out of my return flow when I turn on the filter. Why?


It could be any of the following.
1. If you recently added sand into the filter Sand might have been poured in to the standpipe when being added to the tank.
2. A broken or worn out lateral . (One of the slotted tubes) on the bottom of the tank that water passes through on it way back to the pool. A lateral acts as a strainer keeping the sand in, lets the water out.
3.. A cracked standpipe the tube that sits in the tank, connects into the filter head
4. Filter head O-ring maybe dislodged. It's located where stand pipe connects, to the filter head inside the head.
5.. The hoses on the filter maybe hooked up backwards. The hose going from filter to pump may be connected from filter to pool.

Jul 01, 2009 | Hayward SAND FILTER, PRO SERIES

2 Answers

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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