Question about Hayward SAND FILTER, PRO SERIES

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The tank pressure is at 60

The sand filter is at 60 psi. maybe i didnt back wash long enough.

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I don't have that particular brand, but it is not good that the PSI is that high. Backflush for at least 3 cycles of 60 seconds each.

example: Turn off pump, move to Backflush turn on pump for 60 seconds. Turn off pump, switch to rinse, turn on pump, run til water runs clear.

Repeat 3 cycles. If the PSI still doesn't lower, you may have broken laterals in the bottom of the sand and will need replaced.

Hope this helps. Good luck!

Posted on Jul 29, 2009

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First check your return valves to be sure their open, The picture shows a dial valve but if you have a piston B/W valve you should pull this out and be sure that you have two discs on it. The bottom one has been known to break off and it will drop and seal off the pipe going back to the pool. This will make the pressure run to the limit of your pump. Getting the broken piece out will be a trick but then you just slide the new on in.
One way to get the bad piece out is to cut the bottom pipe off the valve and pushing it out. Another way is to take a looong drill bit and drill the disc out and get a wire or the like through the disc and pull it out. Or this may be one for a pro. Good luck.

Posted on Feb 28, 2010

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Posted on Jan 02, 2017

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2 Answers

Can a 3/4 horsepower jet pump be operated at a 40/60 psi configuration?


Yes. First raise your tank pressure to 38 psi, then raise your cut-in pressure on the press switch to 40 psi. Don't forget to adjust the cut-off up to 60 psi. There is a schrader valve(tire valve) on the top of your tank where you can fill it and measure the press with a tire gauge. CHANGE TANK PRESS FIRST.

Feb 22, 2017 | Jet Plumbing

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

2 Answers

My haward sand filter is running at about 20 psi is that normal


That 20 PSI does not mean anything to anyone that is going to help you. Every system will have its own "Starting Pressure". It all depends on how it is plumbed, what equipment is included (size and GPM), how big the pool is will address the issue of how much plumbing is involved, total feet & amount of fittings, valves, etc (mainly elbows create more restriction, raising the overall PSI, and if a Solar System is involved?

So, is 20 PSI normal, if you have a Solar System in an average inground pool in the backyard, then that could be about normal? If you have an Above ground pool with only a pump & filter, then that could be pretty high over normal.

The best thing is to backwash your filter very good, if possible use a sand filter media cleaner, available in most Pool/Spa Retail Stores. Follow the instructions on the label and proceed with the cleansing of the sand (media). Then when you turn everything back on to normal filter mode after the cleansing, make a note of the pressure! This will be "Your Systems" starting pressure. Take a "Sharpie" and write that number right on the filter tank. When the pressure climbs to 8-10 lbs over that starting pressure, backwash.

Jun 27, 2014 | Hayward SAND FILTER, PRO SERIES

1 Answer

Working pressure


Putting 60 lbs. of pressure in the pressure tank is not the answer.

First determine that the pump is working correctly, Open the drain valve and see if you get a good flow of water. If you do then OK, the pump is working. If you are not getting a good water flow from the drain valve, then the pump is not operating correctly - maybe a bad foot valve. Next open the drain valve and watch the water pressure gauge, and note at what pressure the pump kicks on ( that's the cut-in pressure), and when it kicks off ( that's the cut-out pressure). Most pumps are set to operate at 20-40 psi, or 30-50 psi. The cut-in and cut-out pressure is set by the water pressure switch.The pressure in the water tank has to be set 2 psi BELOW the cut-in pressure of the pump. That is, if the pump has a 20-40 psi differential, then the tank has to be pre-charged to 18 psi.

To pre- charge the pressure tank , the pump has to be shut off. The Tank needs to be emptied (drained ) of water. The air pressure is then set to 2 psi BELOW the cut-in pressure. If water escapes from the air valve, the bladder in the tank is ruptured, and a new tank needs to be installed.

So, first make sure the pump is working.
I WOULD RELIEVE MOST OF THE PRESSURE IN THE PRESSURE TANK TO ABOUT 20 PSI BEFORE CHECKING THE PUMP, AND PRCEEDING WITH THE PRE-CHARGE OF THE TANK.

May 24, 2014 | Plumbing

1 Answer

My sand point well the water stops and starts again


You probably need to purge the pressure tank.
Well Pressure Tank Installation Instructions

Pressure tanks lose their Pre Charge pressure and have to be serviced. The well Pump needs to OFF. The Pressure tank needs to be emptied of water. There should be an air valve on the tank. Check the pressure .If this is a Bladder tank and Water comes out of the air valve- then the bladder is broken and the tank needs to be replaced. The Pre Charge pressure is set to 2 psi Below the cut-in pressure set by the pressure switch. If your system operates at 20-40 psi, The Pre Charge pressure will be 18 psi. Hope this helps.....

Mar 18, 2014 | Bur-Cam Pumps 750896 Water Shallow Well...

1 Answer

Just installed a new filter and 1 month old sand from defective filter. Removed the cardboard cover used to prevent sand from going into pipe. Piped everything together and no leaks. When I try to run the...


Too much sand or wrong type of sand in the tank are two possibilities; should tell you on the side of the label how much sand to put in but generally it fills to about half way up the tank body.

Are you getting sand back in the pool at all? If not it is unlikely the sand is the issue since too small a grain would pass thru the laterals and get to the pool.

Have you used any clarifiers in the water? Over-dosing with a clarifier can literally turn the top of the sand bed into mortar impeding the flow of water.

John

Jul 09, 2011 | Hayward SAND FILTER, PRO SERIES

1 Answer

The pressure keeps creeping up to 30-35 psi. what seems to be the problem and how can I fix it?


If you are certain the gauge is accurate (does it return to zero when the system is off?) and the system has worked well in years past it means your sand bed has deteriorated to the point that backwashing no longer removes enough debris and/or the sand is worn enough as to become to compacted in the tank. Either way it means it is time to remove at least the top several inches of sand and replace it with one 50# bag or better yet, remove all the old sand and refill the tank with new sand in the amount indicated on the label under media...it will be in multiples of 50#.

John

May 17, 2011 | Hayward Sand Filter System & Tank 21" 1...

1 Answer

Insufficient Pressure From Pump


Take the strainer at the end of the hose on the tank off. Throughly clean it. I used an old tooth brush, then ran hot water through it several times. Also drained the tank and flushed it out 3-4 times with fresh water, then ran fresh water through the pump for several minutes

Hope this helps

Aug 03, 2009 | Fimco Spot Sprayer, 25 Gallon, 3.8 GPM, 45...

1 Answer

Can't get the pressure up


If you're talking about the pressure on the filter tank, 8-10 PSI is a good and normal range. You don't want to increase the pressure in this tank. In a perfect world, it would stay in the 8-10 PSI range.

But, it will not stay at 10 PSI because the more stuff is removed from the water the more clogged the filter gets and the higher the pressure goes -- when it gets to 15-20 PSI it's time to backwash and recharge the filter.


"if it has to much sand would that cause that problem"

If you reduce or remove the sand from the filter the pressure will go even lower. You have no problem I see.. I could be missing something...

May 28, 2009 | Hayward SAND FILTER, PRO SERIES

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