Question about Pentair Letro Jet Vac Pool Cleaner Tire Pack of 2 - JV21

1 Answer

Jet vac doesnt move despite pump working fine

Doesnt move

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  • Pentair Master
  • 1,631 Answers

Check wall adaptor, there is a filter/screen inside.
Probably plugged with debris!

Posted on Apr 05, 2015

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Posted on Jan 02, 2017

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WHEN JET VAC HAS FINISHED CLEANING AND STOP THE LEAVES ETC FALL OUT OFF THE BOTTOM


The bag is supported by the jet of water shooting into it. When the pump stops, the jet stops and the bag should fall over sideways, retaining the leaves. I'm curious, Letro was bought out by Pentair 10+ years ago and the Jet Vac was discontinued. Also the description says that this cleaner runs without a booster pump. Every Jet Vac I have ever met runs with a booster pump. Are you sure the installation is correct?

Nov 14, 2014 | RTO Letro Jet Vac Automatic Pool Cleaner...

Tip

No water/detergent coming out of vac/cleaner


If you are having any trouble getting the detergent or water to come out of your vac then this could be down to one of a couple of things.

Now if the vac is new then the chances are you have not held the button down for long enough to allow the water/detergent to flow through the vac so hold the button down for a couple of minutes and it will eventually come out.

Now if you have used this before and it is no longer working then you have got a blockage problem.
The first thing you need to do is tip the vac up on its back and have a good look at where the water/detergent comes out of, you should see several little jets running along the bottom of the vac right at the front, now what you need to do is get a long pin and give all of these little jets a good poke with a long needle make sure you do this to all of the jets.

Once you have done this sit it back up right and give it a try, you may need to hold the trigger down for 2 or 3 min to let the water/detergent work its way through the vac.

If how ever it still dont work then empty the detergent/water bottle and fill it with hot but not boiling water and add a couple of table spoons of salt now put the bottle back on the vac and leave it for 3 or 4 min then switch is on and hold the button down again for 2 or 3min. Now the hot water and the salt should have broke down any build up of gel that the detergent has turned into over time.

Repeat this process 2 or 3 times to give it chance to work its way around the vac.
After doing this check the jets again and poke with a needle as the chances are the blockage has now moved and is by the jets, now give it another try.

If it still dont work then the blockage must be quite bad what you now need to do is unplug the vac and lie it on its back now if you have a good look at where the jets are you will see several screws holding the bottom part of the vac to the top part.
All you need to do is undo these screws and remember where each screw came from in case they are different sizes now once you have the screws out the bottom should come away form the top, be carefull here as the hose that goes to the jets will need pulling off once you have pulled this off the bottom should come away no problems.

Now with the bottom off you can follow the way the water/detergent goes so if you follow it from the jets you should see the hose that carries the water/detergent, so what you now need to do is follow this hose and keep giving it a good squeeze where ever you see water backed up keep squeezing it all the way along as far as you can.
You may see the blockage if you do just give it a good squeeze where the blockage is to break up the gel blockage, if you see no blockage then keep reading on. if how ever you have found the blockage then make sure you squeeze it out as much as you can .

Now put everything back together, if you found the blockage you should find that filling the water/detergent bottle with hot but not boiling water should now get you up and running just keep and eye on the jets until the blockage you found has past out the jets.

Now if you never found the blockage empty the water/detergent bottle and check where the water comes out of the bottle into the vac you should be abe to press it and see if the water flow freely out of the bottle. if it does then you need to check the part of the vac where this bottle attaches to, their should be some sort of filter where this bottle fits so have a look their and clean with a pin if blocked.
If you find no blockage then try again with the hot water to rule out 100% blockage being the problem. if you have checked and their is no blockage then this would indicate a problem with the pump or a blockage in the pump, now as the pump is not a serviceable part you cant take it apart and clean it so the only option you have is keep trying with hot water or replace pump( check any warranty before you do any work yourself)

The hot salty water should work but make take several tries until it breaks down the gel build up.

Now what they should have told you when you purchased your machine is that after every use empty the detergent bottle and fill with clean warm water and then let this run through your cleaner, you need to do this as if you leave the detergent in the bottle and leave it in the pipes inside the vac then what happens is that over time the detergent turns to a gel so making sure the detergent is gone will guarantee the vac will work the next time you want to use it

on Mar 26, 2010 | Vacuums

1 Answer

Jet vac will not move around the pool


Does pump work?
if not, then it's a pump problem.
If yes, then possibly plugged with debris either in the booster pump impeller or at the finger screen?
It's located at the wall adaptor.
Or... The internal gear assembly is the problem?
Sometimes the get stuck, broken tooth on an individual gear, or foreign debris clogging it.

Feb 11, 2014 | Pentair Jet - Vac Pressure Side Inground...

1 Answer

Kohler whirlpool type tub will not pump water out of its jets or take water into the intake. Pump appears to operate fine. Water does not want to move. Suggestions?


When a bath pump turns on but does not move any water it is usually because there is an Air Lock and needs to be released.Try this.
  • Fill the tub with water
  • Turn the pump on
  • Unthread the discharge pump union until water starts to squirt out
  • when this happens you should hear a big 'swoosh'


if the bath pump starts to discharge water through the jets then you have solved the problem.


Rod
us parts center
888-521-6183

Apr 05, 2013 | Kohler Home

1 Answer

Older style ....no water coming out...did clean all hoses...


The first thing you need to do is tip the vac up on its back and have a good look at where the water/detergent comes out of, you should see several little jets running along the bottom of the vac right at the front, now what you need to do is get a long pin and give all of these little jets a good poke with a long needle make sure you do this to all of the jets.

Once you have done this sit it back up right and give it a try, you may need to hold the trigger down for 2 or 3 min to let the water/detergent work its way through the vac.

If how ever it still dont work then empty the detergent/water bottle and fill it with hot but not boiling water and add a couple of table spoons of salt now put the bottle back on the vac and leave it for 3 or 4 min then switch is on and hold the button down again for 2 or 3min. Now the hot water and the salt should have broke down any build up of gel that the detergent has turned into over time.

Repeat this process 2 or 3 times to give it chance to work its way around the vac.
After doing this check the jets again and poke with a needle as the chances are the blockage has now moved and is by the jets, now give it another try.

Now if you never found the blockage empty the water/detergent bottle and check where the water comes out of the bottle into the vac you should be abe to press it and see if the water flow freely out of the bottle. if it does then you need to check the part of the vac where this bottle attaches to, their should be some sort of filter where this bottle fits so have a look their and clean with a pin if blocked.
If you find no blockage then try again with the hot water to rule out 100% blockage being the problem. if you have checked and their is no blockage then this would indicate a problem with the pump or a blockage in the pump, now as the pump is not a serviceable part you cant take it apart and clean it so the only option you have is keep trying with hot water or replace pump( check any warranty before you do any work yourself)

The hot salty water should work but make take several tries until it breaks down the gel build up.

Now what they should have told you when you purchased your machine is that after every use empty the detergent bottle and fill with clean warm water and then let this run through your cleaner, you need to do this as if you leave the detergent in the bottle and leave it in the pipes inside the vac then what happens is that over time the detergent turns to a gel so making sure the detergent is gone will guarantee the vac will work the next time you want to use it

Courtesy- Pauldonp

Jun 26, 2010 | Vacuums

1 Answer

Losing pressure 2-3 min vacuum hose is attached to skimmer


de filters clog very fast i suggest put vac in pool put hose over pool attach a wet vac to get water out of hose remove wet vac and vac saves de and water

Jul 09, 2009 | Hayward 1HP Super Pump II Inground Pool...

1 Answer

Jet Vac stops moving around the pool


every pool has a dead spot where the vacume gets stuck! expesially when the vacs get a little age on them! juist keep an eye on it and work with it! or replace the vac!

May 26, 2009 | Pentair Jet - Vac Pressure Side Inground...

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