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Recommend backflush pressure of a hayward pool filter

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After you have backwashed your filter until the site glass run clear. Go to rinse mode for 30 seconds. Make note of the filter pressure. Don't backwash until the pressure goes up 10 psi!! It is important not to backwash too much. As pressure climbs the sand filter actually filters better.

Posted on Sep 05, 2009

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My pump psi reading is 20...what does that mean?


Pumps do not have a Pressure Guage.

A filter will have one, if your pressure is higher than normal... (A 20 reading tells us nothing, if we don't know what normal starting pressure is - 20 could be normal for some systems)

If you had a reading prior to the 20 you are now seeing by approx 8 lbs, then clean your filter - backwash/backflush.

Aug 17, 2012 | Hayward Pool & Spa

1 Answer

Water runs out the backflush hose when filter set to filter setting.


The rubber gasket under the function selector has probably come loose and is leaking to the other outlets. You'll have to cut the water off from both sides and remove the top to inspect the gasket.

Jun 15, 2011 | Hayward SAND FILTER, PRO SERIES

2 Answers

We have a hayward 244t sand filter. I was trying to learn how it works. I was trying to vacuum the pool but all the trash is coming back into the pool. What do I do?


For regular vacuuming, these pool filters should be set to the "filter" setting filter control valve. However, if you have a heavy load or the debris seems to be coming back into the water, you can try vacuuming with the filter set to the "waste" position. This will bypass the filter and vacuum directly out to waste.

Mar 13, 2011 | Hayward SAND FILTER, PRO SERIES

1 Answer

We have a Hayward Pro Series sand filter S244T. It was installed 3 years ago. There is no indication of flow through the glass bulb on the back of the valve when the valve is in normal operating...


The sightglass is designed for backwash only, it allows you to see the degree of clarity in the effluent water. There should not be flow through the sightglass when the filter is in normal operation. Sometimes the pump will be alot louder when you backwash because there is alot less back pressure and it sometimes causes pump cavitation. The pump should quiet down when in normal filter mode. If not, there may be problems with the bearings and/or cavitation.

Aug 15, 2010 | Hayward SAND FILTER, PRO SERIES

1 Answer

Hayward 1.5 hp sand filter


Hi i have a Hayward S-180 sand filter and when i clean the pool green algie shoots back into the pool.

Jul 26, 2010 | Hayward SAND FILTER, PRO SERIES

1 Answer

Pump stopped woking when I turned it off to backflush


You have got stuff in your impella.
Take pump away from pipes and 'elec' power lines - empty skimmer filter inside pump - turn over and remove all 'stuff' from inside skimmer filter section.

If you can - turn impella using knife or screwdriver see if it runs smooth and silent.

Jun 26, 2009 | Hayward 1.5 Hp Northstar High Performance...

1 Answer

Pressure gauge at maximum


Do you have a 'Earth' (dirt) filter system.

If - yes - these get block v-quickly (v-quickly!)
* Try to minamize 'vac'ing your pool, (or clean filter each time after 'vac'ing Or Vac on waste setting)
* Use pool skimmer box filter socks.

Jun 21, 2009 | Hayward 3/4hp Super Pump Inground Pool...

1 Answer

The water seems to be jumping out of the return jet?


Below is a copy of the users manual for these pool filters. It has a troubleshooting guide and several diagrams that should help you get the pressure problems solved. Hope this helps.

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

May 26, 2009 | Hayward SAND FILTER, PRO SERIES

1 Answer

Low return pressure


if you are referring to the the guage on the filter, this is really too high. You should backwash and would like to see it down to 8-12. if not, have you changed your sand?. I like to change it every other year.
David

May 14, 2009 | Hayward 1.5 Hp Northstar High Performance...

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