Question about Hayward SAND FILTER, PRO SERIES

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What would cause my backwash port to leak while on filter?

Also when we backwash, it doesn't blow the water out witha a lot of pressure.

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You are supposed to change the sand out every1-2 years.If you have not done this then it could be clogged with years of filtering

Posted on May 16, 2010

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I,ve just opened my pool and when I backwash the filter the water comes out at very high pressure. This is not normally the case certainly not for the last 10 year. Is there a problem with the filter,


No.
Nothing in filter will increase water pressure. Whatever water the pump sucks in will flow out of whatever port is open, in the case of backwash, a Waste port open. So... What the pumps takes in, you will see flow out when you backwash.
No problems that I can think of to look for.

May 13, 2015 | Pool & Spa

Tip

Backwashing A Sand Filter with A Push/Pull Slide Valve or Multiport Valve


Lots of people are first time pool owners and pool professionals forget to teach these "newbies" about the simplest aspects of pool ownership.

One of the biggest questions we receive from new homeowners is "How do I go about backwashing my sand filter exactly?"

It doesn't matter if you have a Hayward, Pentair, Jandy, Sta-Rite or any other number of Sand Filters on the market they all utilize the same basic valves for backwashing; a push/pull slide valve or a multiport valve.


To backwash with a multiport valve:
1) Shut off pump motor.
2) Press down on valve handle, rotate valve from FILTER to BACKWASH position.
3) Roll out any backwash hose or open any waste line valves.
4) Open air bleeder assembly on filter, and turn pump on.
5) Watch pressure gauge for backpressure and hose for kinks. Be prepared to shut off pump quickly.
6) After hose fills with water, run for 3 - 5 minutes or until water runs clear.
7) Shut off pump motor and move multiport valve handle to RINSE position. Run on rinse for 15 - 25 seconds.
8) Shut off pump motor and move multiport valve handle to FILTER position.
9) Turn pump back on and note lower pressure.
10) Roll up backwash hose so the dogs use it as a chew toy.


To Backwash a sand filter with a slide valve:
1) Shut off pump motor, roll out backwash hose.
2) Twist to unlock plunger T-handle, push or pull(depending on manufaturer) the plunger 2" - 3".
3) Open air bleeder assembly on filter, and turn pump on.
4) Watch pressure gauge for backpressure and hose for kinks. Be prepared to shut off pump quickly.
5) After hose fills with water, run for 3 - 5 minutes or until water runs clear.
6) Shut off pump motor and push T-handle back down into locked position.
7) Turn pump back on and note lower pressure.
8) Roll up backwash hose.

Now you are a backwash Guru!

More tips and tricks are available form The Ugly Pool Guy, www.WeFixUglyPools.com

on Dec 14, 2010 | Pool & Spa

1 Answer

How to get the right pressure to backwash and rinse


you dont need a lot of pressure to backwash just make sure water is clean coming out then rinse for 30 sec then put back on filter do not turn valve while filter is running you will ruin multiport gasket

Jul 18, 2014 | Hayward SAND FILTER, PRO SERIES

1 Answer

We opened the pool on Monday and on the bottom was a lot of either fine dirt or sand. We got everything running and it was running fine until Tuesday afternoon. On Tuesday morning I stirred all the stuff...


Have you backwashed your pool filter? It could be that the sand is dirty or a line is clogged, causing the filter to lack pressure. Make sure that your multi-port valve is set to the filter position. It could be a broken lateral or a busted multi-port valve that is causing it not to work, but if it was working before you brushed the bottom and sides, I doubt this is the problem. Before you try any extensive repairs, I would backwash several times and possibly even replace the sand.

May 12, 2011 | Hayward SAND FILTER, PRO SERIES

1 Answer

I have a square D pressure switch on my home well water system. I also have a Iron filter on the system. The problem I have is that when Iron remover is in it's backwash cycle at night and someone uses the...


I find it interesting that you never had this problem. Did something change, specifically on the backwash of the iron filter? Is is possible that there is lower restriction to backwash causing the lower pump pressure? Could you throttle the backwash flow to allow pressure to be maintained and still get adequate backwashing?
It seems a lot of water must be flowing so that when you use some water the pressure drops to more than 10 psi below cut-in, that means typically 30 psi shutoff point.
Can you lower cut-in pressure, say 5 psi, lower?

Jan 05, 2011 | Square D 9013gsg2s22j99r Pressure Switch

2 Answers

My pump is on filter but is draining the water out please help


The water Has to be going out the 'backwash' or 'waste' line.Either that or you have a leak in the plumbing. If the backwash/waste valve is set in the 'filter' position and there is still water escaping through the backwash/waste line, it means that the o-ring or spider gasket needs to be replaced or re-seated. If it is a multi-port valve (one that you spin to select the setting as opposed to a 'push/pull valve) you can try shutting off the pump; do a complete turn, 360 degrees, from the 'filter' setting all the way back to the 'filter' setting. This sometimes helps the spider gasket re-seat

Nov 27, 2010 | Intex Wet Set 300 GPH Swimming Pool Filter...

1 Answer

Wicor high rate sand filter P20. When I have it on "filter" there seems to be some water starting to leak from "backwash" hose.I only let it run maybe 30 seconds. Not looking for it to blow out any seals...


If it has a multiport valve, most likely the spider gasket inside has damage or has come out of place. A broken stem spring can also cause water to bypass out the backwash due to not having enough force to seat the seal. Take the multiport apart and check the spider gasket and spring.

Aug 15, 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

What do i do with the waste line port on the multiport valve on a hayward filter. do i attach a fitting to stop air


No. That port is there for when you backwash or pump to waste. You normally put a hose adapter there that allows for a collapsable backwash line to be attached when ready to backwash the filter. If it is leaking water there when the valve is set to something other than waste or backwash yuou need to replace the internal gasket in the valve.

Aug 08, 2009 | Hayward SAND FILTER, PRO SERIES

1 Answer

Water dripping out of backwash port when handle is on filter


You might have it overfilled with sand. It's getting into the seats of the valves.

Jun 20, 2009 | Hayward SAND FILTER, PRO SERIES

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