How to replace a Polaris Pool Cleaner Back Up Valve

WRITTEN BY:  Matthew Simmons

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The Polaris Back Up Valve is a mechanism attached to the cleaner's feeder hose, which helps the Polaris cleaner maneuver the floor of your pool. If this item is malfunctioning then your cleaner may not be able to clean effectively.

Step by Step

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Step 1

First turn off your booster pump and disconnect from the dedicated pressure cleaner line from pool port, then remove your cleaner from the pool.

Step 2

Now to locate the Polaris Back Up Valve on the feeder hose, it should be within one hose length of the cleaner itself. Replacement Polaris 280 Pool Cleaner Back Up Valve part #: 3260-G054, Hose Feed Complete part #: 3262-0

Step 3

To remove the Polaris Back up Valve from the feeder hose and hose assembly, unscrew the plastic nuts on each side of the valve and slide the hose off the valve nozzle. Replacement Polaris 280 Pool Cleaner part #: 3260-D015

Step 4

If you are simply replacing this part, at this point you would install the new valve by reattaching the nuts and hose to the valve nozzles. If you are replacing the Polaris Valve Mechanism, please read on. Replacement 280 Polaris Pool Cleaner Back Up Valve Mechanism part #: 3260-G053

Step 5

Disconnect the back up valve locking nut and separate the 2 pieces of the valve. Replacement Polaris 280 Pool Cleaner Back Up Valve Mechanism part #: 3260-G053

Step 6

Inside you should see this piece called the Polaris back Up Valve Mechanism.

Step 7

To extract the Polaris Valve Mechanism, simply grip and pull up.

Step 8

Replacing the valve is just as simple, align the valve mechanism's water port with the valve port opening and slide the mechanism down into position.

Step 9

Now place the other end of the valve cover, being sure to line up the notch on the cover with the notch on the other end of the cover then slide down into position. Before doing this step take time to inspect the valve top cover O-ring, to ensure that it is not warped or worn. Replacement Polaris 280 Pool Cleaner Back Up Valve O-Ring Kit part #: 3260-G058

Step 10

Finally tighten valve nut. Replacement Polaris 280 Pool Cleaner Back Up Valve Collar part #: 3260-G057

Step 11

Reinstall valve back in line with the feed hose, by moisten the end of the hose with a solution of water and dish detergent and sliding it onto the Polaris Back Up valve's nozzle then tighten with valve nut.

Comments

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(1 to 18 of 18)

Anonymous (hose tearing )  Posted: 10/16/2017 16:45 PM 

Anonymous (hose tearing) - I have no data on this issue. Please give Pentair a call at 800-831-7133 to see if they have something to correct this problem.


Anonymous  Posted: 10/16/2017 12:36 PM 

Hose between Valve and cleaner keeps tearing.


Inyopools  Posted: 08/07/2017 10:06 AM  Inyo Product Specialist

Anonymous (Back up valve) - The length of the hose connecting the back up valve to the cleaner should be 4' by design. But if the connecting ring is wearing out by dragging on the pool floor, I would shorten the connecting hose.


Anonymous  Posted: 08/03/2017 12:17 PM 

My back up valve is dragging on the pool floor and the connector ring keeps wearing out. Should I shorten the length of the hose connecting it to the cleaner (3900)?


Inyopools  Posted: 10/28/2016 11:29 AM  Inyo Product Specialist

ATX16 - The distance between the cleaner and the backup valve should be one hose length - 4 ft. Check to make sure the valve is not clogged with debris.


ATX16  Posted: 10/27/2016 22:24 PM 

how long should the hose be between the cleaner (in my case a Polaris 360) and the backup valve? I often find my cleaner stuck in the same place, and am wondering if there may be too
much hose length. I'd guess it is 6'. I do see the backup valve working some times, but it's pretty gentle.


Inyopools  Posted: 10/03/2016 14:55 PM  Inyo Product Specialist

sydbarrett - It sounds like the mechanism inside the Back UP Valve may be jammed. The water from the Back UP Valve should only pulse intermittently. Take the valve apart and clean out any debris in the gears. Check for cracks in the shell of the valve. Check that the gears move easily.


sydbarrett  Posted: 10/01/2016 21:28 PM 

I just bought a back up valve for my polaris 360....the water is a continuous hard flow from the backup valve. I checked the line AFTER the valve to see how much water was getting to my cleaner.....very very little. There is no pressure getting to my cleaner now. Help


Inyopools  Posted: 09/27/2016 10:37 AM  Inyo Product Specialist

Kevin - As long as your cleaner is not getting stuck in the corners and appears to be cleaning the entire floor, I would tend to agree with you.


Kevin  Posted: 09/26/2016 15:04 PM 

My backup valve has over time increased it's amount of time on to the point that today it is stuck on. My pool is kidney shaped and the cleaner never gets hung up on anything. I'm wondering if, in my case, I even need it?


Inyopools  Posted: 04/26/2016 16:32 PM  Inyo Product Specialist

schumap1 - I would recheck the steps in the guide again. Make sure the mechanism's water port is aligned with the valve port. Inspect the valve top cover O-ring. If these are good, you may have to replace the mechanism.


schumap1  Posted: 04/25/2016 22:29 PM 

thanks for instructions, the outer casing cracked and had to be replaced. Now i cannot reuse the mechanism as it now does not hold pressure and simply shoots water releasing all pressure needed for cleaner. The simple instructions imply the mechanism is either broken, failing or not reusable.. Any help is appreciated,


Inyopools  Posted: 05/18/2015 13:48 PM  Inyo Product Specialist

Ray - Evidently this is a shared problem. See the previous comment under "User: Tate" for a possible solution.


Ray  Posted: 05/17/2015 22:45 PM 

I hate the backup valve. No matter what I try, it whips the cleaner violently around in circles, often entangling the hose and filter bag in the process. All it needs is a gentle tug backwards, not an angry sea serpent attack. Who are the engineers responsible for this?


Tate  Posted: 05/17/2015 19:32 PM 

What I have done to reduce the tangles created by the backup valve being too powerful/running too long is glue a small length of tube inside the water jet. The restricted flow makes the reversing action less violent and solved my problem.


Inyopools  Posted: 06/30/2014 9:48 AM  Inyo Product Specialist

Keith - Unfortunately the timing of the backup is not adjustable. The cleaner has a set pattern to maximize the area it cleans.


Keith  Posted: 06/29/2014 14:27 PM 

I agree. All the time the Polaris is in reverse, it is not cleaning. Backup every half hour would be fine.


Bruce  Posted: 11/19/2013 19:55 PM 

Is it possible to reduce the amount of time the back-up valve reverses the polaris. It seems that the unit ties itself & the hose into knots as the back-up valve reverses for too long. You then need to untangle them. This happens fairly often. It seems like the reversing time needs to be halved.