Question about Waterway Above Ground Hi Flo Pump

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Once I start the pump, it takes a while for the suction to start

I recently replaced the pool pump, and the sand in my filter. Once I turn the pump on, it takes a while for the suction to kick in, the water is flowing but no suction, it starts slowly then in spurts then finally gets going. Once it is going, if I interrupt the flow, like cleaning the skimmer basket the process of waiting on the suction starts again. The pump is the HP and voltage as the previous one. I've checked the hoses and can't seem to find a leak if there is one, I've even pulled them off and retighten them again, still the same problem. This only happens when I'm in the filter mode, not when I'm in back wash mode, could it be algae inside the sand filter, I recently opened the pool for the summer and was in the process of cleaning the water when I changed the sand.

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If the pump over heated the fittings going into it heated up and tried to expand but couldn't as they were screwed into the pump when they cooled they did shrink. They seem tight but are probally bottoming out when you screw them into the pump. Try replumbing the pump with all new pipes in and out. This should fix the problem. Make sure you kill all the alge before you try to filter it as it will clog the filter bad and could be the orignal cause of this problem.Good Luck and have fun

Posted on Aug 25, 2009

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1 Answer

Hayward pro series sand filter does not have enough suction to operate pool cleaner. What can cause this?


if you are getting a suction noise at the skimmer then that means you need more water in the pool. Also if you have anything in the skimmer basket like tablets then take out the basket when you are using the vac. the only other thing I can think would be the problem would be the filter is clogged. I know you have back washed it but I would do it again to be sure it is not dirty. good luck

May 26, 2014 | Hayward SAND FILTER, PRO SERIES

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Sand filter losing prime


You will see NO leak if the pump is on.
But once the pump is off, then you may see a leak.

Jul 23, 2012 | Hayward Pool & Spa

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I just bought a used but nice hayward sand filter for my pool to replace a older defilter. I want to say i am pretty expierenced with pools and plumbing but this somthg. Connected everythg 40 lbs psi...


Thank you for posting your question here on Fixya.com.

Put the valve in recirculate mode and see what happens. Does the pump run normally? If so the sand bed is likely clogged. Did you replace the sand? Another possibility is you have it connected to a pump that is too big for the filter. The tag on the filter should give a maximum flow rate the filter can handle. Be sure your pump is not exceeding it. It is common to see the tank “swell” once the pump is turned on. As long as you stay below the 50psi max you are fine. If you are unsure about flow rates please reply in a comment with the pump information so we can try and determine that for you.

If this answer does not fix your problem, please comment with additional details prior to rating the answer. Positive feedback is appreciated once your problem is solved!

John

Sep 07, 2010 | Hayward SAND FILTER, PRO SERIES

1 Answer

How do i change the sand in the filter? I am getting sand in my pool.


You will simply remove the old sand from your pool filter and follow the instructions from your users manual like you are adding sand for the first time. In case you don't have it, I am going to paraphrase it for you below.

1. Be sure correct amount of filter sand media is in tank and
that all connections have been made and are secure.
IMPORTANT: To prevent unnecessary strain on piping system and valving, always shut off pump before switching Filter Control Valve positions.
The correct amout of sand can be determined with this link: http://www.backyardcitypools.com/pool-filters/Filter-Sand-Requirements.htm

2. Set your controls to the backwash position.

3. Prime and start pump according to pump instructions. (be sure all suction and return lines are open), allowing the filter tank to fill with water.

4. Once water flow is steady out the waste line, run the pump
for at least 2 minutes. This initial backwashing of the filter is recommended to remove any impurities or fine sand particles in the sand media.

5. Turn pump off and set valve to RINSE position. Start pump and operate until water in sight glass is clear—about 1/2 to 1 minute. Turn pump off, set valve to FILTER position and restart pump. Your filter is now operating in the normal filter mode, filtering particles from the pool water.

6. Adjust pool suction and return valves to achieve desired
flow. Check system and filter for water leaks and tighten connections, bolts, nuts, as required.

7. Set your filter to the "filter" position.

May 22, 2010 | Hayward SAND FILTER, PRO SERIES

1 Answer

Water surging back to pool when shut off


sounds like you have air built up inside the filter when the pump shuts off. the most likely cause is a suction side air leak, bad lid o-ring or union o-ring or maybe even the threaded fitting going into the pump. When you turn the pump off, you may be able to see water squirting out wherever the leak is. Once you find/fix the suction side leak the filter should stay filled with water and not surge backwards when the pump turns off. Make sure you keep the filter clean as well.

Apr 22, 2010 | Hayward SAND FILTER, PRO SERIES

1 Answer

How to open pool, fill sand filter with water?


I happen to have a copy of the users manual for this pool filter. These are the instructions for operating your filter.

1. Be sure correct amount of filter sand media is in tank and
that all connections have been made and are secure.
2. Depress Vari-Flo control valve handle and rotate to
BACKWASH* position. (To prevent damage to control valve
seal, always depress handle before turning.)
3. Prime and start pump according to pump instructions (be
sure all suction and return lines are open), allowing the filter
tank to fill with water.
WARNING: ALL SUCTION AND
DISCHARGE VALVES MUST BE OPEN WHEN
STARTING THE SYSTEM. FAILURE TO DO
SO COULD CAUSE SEVERE PERSONAL
INJURY.
Once water flow is steady out the waste line, run the pump for
at least 2 minutes. The initial back-washing of the filter is
recommended to remove any impurities or fine sand particles
in the sand media.
4. Turn pump off and set valve to RINSE position. Start pump
and operate until water in sight glass is clear—about 1/2 to 1
minute. Turn pump off, set valve to FILTER position and
restart pump. Your filter is now operating in the normal filter
mode, filtering particles from the pool water.
5. Adjust pool suction and return valves to achieve desired
flow. Check system and filter for water leaks and tighten
connections, bolts, nuts, as required.
6. Note the initial pressure gauge reading when the filter is
clean. (It will vary from pool to pool depending upon the
pump and general piping system). As the filter removes dirt
and impurities from the pool water, the accumulation in the
filter will cause the pressure to rise and flow to diminish.
When the pressure gauge reading is 8-10 PSI (0.55-0.69
BAR) higher than the initial "clean" pressure you noted, it is
time to backwash (clean) the filter (see BACKWASH under
Filter Control Valve Functions.)

Apr 16, 2010 | Hayward SAND FILTER, PRO SERIES

1 Answer

Reduced circulation/backwash (sand filter)


check your pool pump by putting the valve in recirculate mode.If flow is a problem it may be a clogged impeller.

Jul 05, 2009 | Hayward SAND FILTER, PRO SERIES

1 Answer

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

May 27, 2009 | Hayward SAND FILTER, PRO SERIES

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...

2 Answers

My pool pump pumps water, return is low pressure


fix any air leaks on suction side of pump. Check valve positions.
Clean filters...may need to replace cartridges in cartridge filter, or take out D.E. grid assembly and clean it on a D.E. filter, or change sand in a sand filter...

Mar 26, 2009 | Pool & Spa

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