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My Hayward sand filter vl40t32 will not vacuum. It is only 1 season old, and I have never gotten it to vacuum. It does, filter, but not pulling the water for vacuuming...

Posted by kathleen sanders on


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Before you hook up the vacuum attachment, you want to flood the vacuum hose with water or your pump will be air locked. Submerge the hose and fill it with water. These centrifugal pumps must be primed in order to work. Another method is to fill the vacuum hose with water from a garden hose.

Posted on May 29, 2017


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SOURCE: d.e. earth pool filter returning dirt to pool

The flow tubes inside the filter canister are torn and letting dirt pass. The repair is simple and can be done by someone with a few hand tools. Download the manual for the filter

You'll only need to replace the ones that are ripped, and the cost runs about $3 - $5 each. Search around on Google for a supplier or try a local pool dealer.

Posted on Jun 30, 2009


james aurienne

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SOURCE: i have a 1 year old hayward sand filter and now

your setting is more than likely is not in the right position handle on top of filter has a sprocket under handel which is either not seated or has damage to it try turning handle to different positions several times sounds like you are stuck on recirculate

Posted on Jul 13, 2009


  • 34 Answers

SOURCE: I can not get vacuum pressure on my Hayward Sand

The filter is most likely not the issue at all.
When you lose vacuum pressure and see bubbles the problem is usually air getting into the line killing the prime. The most common place that air gets into the line is from the strainer cover on the pump. The clear lid on the front of the pump has an o-ring that after 3 years is probably due for replacement.
With a bad o-ring it's easier for the pump to draw air through the lid then water through 20+ feet of vac hose. Replace the o-ring, make sure it is lubed well with a non petrol based grease.
The only other issue that may cause this is a cracked or seriously warped strainer lid, which should be easy to recognize once it is removed to replace the o-ring.
Once this is done you should be fine.

Posted on Jul 14, 2009


  • 760 Answers

SOURCE: We have a hayward sand filter and have replaced

There is more than one version of these valves. The model like sp072 has a 5 spoke spider gasket that has one opening larger than the rest. Be sure it is in position so that the large opening lines up with the large opening in the valve. If it's a SP0714 then the rubber is molded on the valve itself and would have to be replaced together. In either case, the seal is provided by the spring pressure forcing the valve faces together. That is why you should depress the handle, and only turn the valve while it's depressed, and the pump is off. After you turn to the selected location, then you release handle, and the valve surfaces should spring back together. Be sure the lever has spring tension on it in case you left it out while working on it) You can download complete manuals from Good luck!

Posted on Aug 07, 2010

Dale Cobb

  • 366 Answers

SOURCE: I don't know how to

all you need is a pole, a vacuum hose, and a vacuum head. connect the hose to the vacuum head and the head to the pole. Submerge the vacuum head and the pole into the pool and push the vacuum hose slowly straight down so that it fills with water. Once the entire vacuum hose is filled with water, plug it into the skimmer suction or wall port. You may have to adjust the valves at the pump to increase suction to wherever you have to vacuum hose plugged in to.

Hope this helps

Posted on Aug 01, 2011

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your setting is more than likely is not in the right position handle on top of filter has a sprocket under handel which is either not seated or has damage to it try turning handle to different positions several times sounds like you are stuck on recirculate

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When should we replace sand

it really depends on your climate, pool usage, and the dirtiness of your water overall.
If you look at the substrate in your filter and it looks pretty bad replace it.
I would say if you haven't replaced it yet and, it's your 4th season, it is probably a good idea to do so. You can find the diatemous sand at Lowes, or other home improvement stores for less than at some pool supply stores. And, it is easy to replace it. So, if it helps your water stay clear and clean, and is easy and fairly inexpensive to do, then its a no brainer.
As a rule we replace ours at 3 years and it has worked for us with good luck over 10 years of pool use. If i lived in a warmer climate, say Ga or FL i'd probably bump it up to every 2 years.

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