Question about RTO Letro Jet Vac Automatic Pool Cleaner without Booster Pump

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LETRO POOL CLEANER WITH BOOSTER PUMP NOT SUCKING MUCH.

OUR LETRO POOL CLEANER TRAVELS ALL OVER THE POOL JUST FINE BUT DOESN'T CLEAN VERY WELL. THE BAG USED TO STAND UP WHEN IT WAS RUNNING BUT NOW JUST FLOATS. SO THE SUCTION ISN'T VERY GOOD.

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Is it a jetvac? you said the bag does not stand up, I'm sure it is a pressure cleaner, the pump maybe no good or your pool pump is not providing anough water for the pressure pump. Check every thing, hair and lint pot on pool pump should be full, clean filter. bob@ozepool.com

Posted on May 24, 2010

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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?

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Polaris 280 pool cleaner won't suck uP debris into bag


if pressure ok at wall and filter is clean check inside unit to see if hoses came off put on and zip tie

Mar 19, 2013 | Polaris 280 In - Ground Pool Cleaner with...

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My polaris 280 moves around just fine and the sweeper hose is functioning properly. only issue is that it's not sucking anything up in the bag.


This can be caused by either by minimal or no water being delivered by the vacuum jets or something plugging the path to the bag. I assume you have checked the path to the bag so it is probably the first cause. The best way to check this is to turn the pump on while the cleaner is in the pool, pull the cleaner to the side of the pool, pinch off the hose just before the backup device and lift the cleaner onto the deck. Some water should be coming out of the rear jet and the tail. If you remove the bag and look down through the cleaner you should see the two jets that shoot water up. If you stand back and unpinch the hose and the water doesn't come up way above where the top of the bag would be then either you have plugged jets or the hoses inside the cleaner are disconnected. I suggest the latter because if the jets were plugged I would expect the jet that turns the wheels would be plugged also. If you don't feel competent taking it apart then bring it to Leslies Pool Supplies and they usually can open it up while you watch and repair it for the cost of parts. By watching them you may learn enough to be able to do it yourself the next time. I hope this helps.

Sep 14, 2011 | Polaris 280 In - Ground Pool Cleaner with...

1 Answer

I hooked up a new Polaris 280 pool cleaner to replace my Arneson Navigator and it doesn't move.


I would first take it out of the water and check for proper wheel RPM. If it is less than 28 RPM or you are getting no movement at all, it is going to be a problem with the power source. It is likely going to be that your booster pump is missing, malfunctioning, or is not installed properly on the pool cleaner. There are a few other things to check. Clean the skimmer, filter and pump basket, clearing any debris that restricts water flow. Check the hoses, connections and swivels for leaks. Try removing the blue restrictor disk from the UWF or if an adjustable gate valve is installed on the booster pump or cleaner line, open it completely so water can flow freely.

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1 Answer

The pump motor is running at the pool equipment but the 3900 does not move. The small filter is clear. the bag is clean. Do i need to do something in the line?


If you have an adjustable return valve, make sure that it is completely open. If it is partially closed, your cleaner will not be getting enought water pressure. Also, check to make sure that the blue restrictor plate is not installed in your return line. If it is, remove it and the pool cleaner should get adequate pressure.

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1 Answer

Not sucking debris into the bag. Moving around just fine, good speed, good coverage, but leaving the garbage behind. the bag also does not fill with water as it did before.


With these pool cleaners, there are several things that could be causing this problem. Make sure that your bag does not have any holes or lacerations in it that would cause the lack of suction. Make sure that your throat does not have debris stuck in it that could hinder cleaning. Check all connections to make sure that you have a tight seal.

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Do other brand name pumps work with a polaris 380 or do i need to use the polaris pump?


The Hayward booster pump would work but being in the same price range the Polaris is engineered for its cleaner

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