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When should I backwash my sand filter? - Hayward Pool & Spa

Posted by Anonymous on

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Anonymous

  • 3 Answers

SOURCE: multi-valves on hayward sand filter mixed up

Key Cover Assy needs new spider gasket. If it is a newer model the gasket is made into the key cover and it will have to be replaced

Posted on May 02, 2009

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jgwhomeequip

Jeremy Reddick

  • 1902 Answers

SOURCE: sand filter problem

The pump is to big for the pool. So with that being said it is asking you to back wash more then you should need to because it is pulling water at a much higher rate then what your pool is actually calling for. I would recommend taking it down to a 700gl and this would solve your problem. Also you can replace the drain lines and suction lines to smaller lines and that will also take care of the issue at hand but I do not recommend that at all

Posted on May 27, 2009

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Anonymous

  • 1 Answer

SOURCE: sand filter not catching little debris

help...my pump is running and I have replaced sand in filter but doesn't seem to be pulling debry into skimmer to filter it out. seems not sucking water in. What is wrong with the pump or fllter?

Posted on Jun 11, 2009

john224

John Prohaska

  • 1378 Answers

SOURCE: I have a hayward s200 sand filter. When I vacuum,

Are you using the rinse setting for a few seconds following the backwash? If not, once you finish washing, stop the pump, change the valce to rinse, then run it about 3 to 5 seconds. Shut down then switch to filter and the particles should stop coming back to the pool.

Posted on Jul 05, 2009

Anonymous

  • 1 Answer

SOURCE: Labels Gone

I also have the same problem with the label on my filter. My pool dealership said I would need deal with Wicor directly. I see two other people with the same problem, however, neither has been responded to. It is VERY difficult to run your pool properly if you don't have your control lever labeled. An immediate response would be greatly appreciated.

Posted on Jul 20, 2010

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3 Answers

At what pressure should you backwash a sand filter


The back pressure at which it's time to backwash a sand filter is about 6-8 psi above the baseline pressure of a clean filter. Just after following the procedure to backwash and rinse your filter, check the sand filter's back pressure at the time you return the pump and filter system back into filter mode. This is the baseline pressure of your clean filter. As the filter gathers particulates from the pool water, the back pressure will rise over time, as indicated on your pressure gauge. Once the pressure reaches 6-8 psi above the baseline, it's time to backwash.

Some advice: Don't assume the baseline pressure will remain the same for your sand filter. The baseline pressure will change over time and when the sand media is replaced. Typicallly baseline pressure will go up slightly over a season due to captured particles that are difficult to backwash out. Use of a filter cleaner will help remove these captured particles.

More advice: Even with the use of filter cleaners and proper backwashing, sand media will not last forever. The constant water flow and movement of particles in the sand over time shears the surface of each little sand grain. Like a river flowing over rocks, over time each sand grain surface is smoothed, and thus its effectiveness for capturing small particles is reduced with ongoing use. A typical rule of thumb is to replace the sand media +/- 5 years. Some pool owners do it more often, some less. It depends on how long your pool season is each year and how much debris the filter much extract from the pool water.

Jul 16, 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

How to use backwash to waste


When the filter get clogged the pressure in the filter increases and there is less water flow returning to the pool.
If your filter is a sand filter, when you turn the valve to backwash and turn on the pump it reverses the water flow in the sand filter to flush the dirt out of the filter to waste. Look at the window openning in the waste pipe and keep the backwashing goinging until you see clear water.
Then turn off the pump and move the control valve to Rinse, turn on the pump for a few minutes, this returns the water flow back to normal but the water goes to waste to make sure the sand filter is clean.
Turn off the pump and move the control valve to filter and turn on the pump. This mode is the normal operating mode and the pressure gauge in the sand filter will show a drop in pressure.
Some pressure gauge shows a red section to indicate when backwashing should be carried out.

May 02, 2012 | Hayward Pool & Spa

1 Answer

Started sand filter wrong


Just run it and vacume you will collect all the dust. If you used Zeo sand or like product instead of sand, you will need to backwash, run and backwashtwo or three times.

Jun 28, 2010 | Hayward SAND FILTER, PRO SERIES

1 Answer

My Hayward Swimpro Sand filter is not backwashing


Be sure it is not plumbed backwards and be sure you got a sand valve as a DE plumbs the other way.

Jun 25, 2010 | Hayward SAND FILTER, PRO SERIES

1 Answer

How to change the sand in the filter


Backwash the filter, drain water from motor etc., remove the dome on the top of the filter. I usually use a shop vac and vac the sand out, not overloading the vac. When all the sand is removed, check the laterals and piping in the filter for cracks, etc. I like to spread washed pea gravel or small rock under the laterals to help support them. Then add about 6 inches of water in the filter. Be sure to get sand of the right grade for a sand filter. Fill it with the recommended amount of sand, smoothing it to keep it level and around all fittings. Do Not fill the filter all the way. There needs to be space between the sand and the top laterals. Close the filter with the dome and be sure to inspect the o-ring on the dome. Put the backwash valve in the backwash position and backwash till clear. Put the valve on "filter" and open the air release valve on the top of the filter to bleed the air and start the pump. The pool may cloud a little but don't worry about it. It will clear as the sand compacts. It is a very labor intensive job...

Jun 15, 2010 | Hayward SAND FILTER, PRO SERIES

1 Answer

Recommend backflush pressure of a hayward pool filter


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.

Aug 02, 2009 | Hayward SAND FILTER, PRO SERIES

1 Answer

Sand in backwash


You need to replace the seal in the head unit of the filter.. The sand should be replaced every three years or buy a cleaning solution.

Jun 17, 2009 | Hayward Pro Series 18" Above Ground Pool...

1 Answer

My pool sand filter pump isnt filtering the water


sounds like the sand has clumped together inside filter. you can open filter and replace sand charge or dump into wheel barrow loosen sand and flush clean with hose and put back in

May 13, 2009 | Pentair Sand Dollar 19" Filter with 1 Hp...

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