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How To Replace Laterals in a Pentair Triton 2 Side Valve Sand Filter

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The Laterals on any sand filter are the 8-10 plastic tube at the bottom of most sand filters. The Laterals act as sieves to keep the sand from entering the pool water as it is filtered through the sand. See our guide on "How a Multiport Valve Operates" for more information on Laterals work. If you are getting sand in your pool or your filter is not filtering as well as it did, it may be time to remove your filter's sand and look at your filter's Laterals to see if they are damaged. This guide shows you where the Laterals in your Pentair Triton 2 Side Valve Sand Filter are, and how to check and replace them.



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Steps

Things You'll Need

Pentair Triton 2 TR40 Lateral -6 11/16”

Pentair Triton 2 TR50 Lateral -6 11/16”

Pentair Triton 2 TR60 Lateral -6 11/16”

Pentair Triton 2 TR100 Lateral -9 1/8”

Pentair Triton 2 TR140 Lateral -10 1/2”

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Step by Step

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Step 1

ORDER PARTS - The Pentair Triton 2 Side Valve Sand Filter has 8 Laterals. I would order 4 laterals to have on hand when you shut down the filter and remove the sand to access the laterals. You could wait until you see how many Laterals you really need, but your system would be down while you order parts. Or check with your local pool store to see if they have your Laterals on hand. Note that the length of the Laterals varies with the size of the filter tank. See "Things You'll Need" above.

Step 2

REMOVE SAND - To access the Laterals in your filter, you will have to remove all the sand in the filter. Go to our guide on "How To Replace the Sand in a Pentair Triton 2 Side Valve Sand Filter" for further information.

Step 3

VIEW LATERAL ASSEMBLY - The Laterals are screwed into a Hub at the base of the Lower Piping Assembly. This picture shows a 4 of the required 8 Laterals attached to the Hub.

Step 4

VIEW INSTALLED LATERALS - This is a picture of the Laterals installed at the base of the filter tank.

Step 5

REMOVE LATERALS- After the sand has been cleared away from the Laterals, remove each of the Laterals by unscrewing them from the Hub in a counter-clockwise direction. Note: for this filter the Laterals are screwed in. For other filters they may snap in. Read the installation instructions for your filter to see how your filter Laterals are attached.

Step 6

INSPECT LATERALS - Look at each of the eight Laterals for breaks in the screening that would allow sand to pass.

Step 7

REPLACE LATERALS - Replace the laterals by screwing each Lateral into the Hub at the base of the Lower Piping Assembly.

Step 8

RETURN TO "REPLACE SAND GUIDE" - This this point of the procedure, return to Step 13 of our guide on "How To Replace the Sand in a Pentair Triton 2 Side Valve Sand Filter".

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(1 to 9 of 9)

Anonymous  Posted: 6/12/2021 

If the Lateral is broken off in the hub how do I get it out?
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InyoPools Product Specialist  Posted: 6/17/2021 

If you can get your finger into the socket, you can try to turn it until it unscrews out of the hub. 
 Reply

 Posted: 5/31/2021 

When replacing the laterals on a TR-60 do the screens need to face up or down?
 Reply

InyoPools Product Specialist  Posted: 6/4/2021 

The perforated sides should be facing down.
 Reply

 Posted: 12/6/2020 

I have a significant amount of sand come out of my jet return. I am about to start repairs. Besides laterals and the other parts mentioned in the videos, what other part might be broken inside that I should order before I begin? It was probably a good 50lbs of sand that came out.
 Reply

InyoPools Product Specialist  Posted: 12/7/2020 

Generally, sand filters do not have very many internal tank parts. The internal pieces usually consist of the laterals, lateral hub, and standpipe; the standpipe is the length of PVC that connects the valve to the lateral assembly. What is the make and model of your sand filter? I can give you a better idea of what parts you should inspect.
 Reply

 Posted: 11/21/2019 

Do the laterals of the TA-60 work the same as the TR-60's on the how to install instructions?
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InyoPools Product Specialist  Posted: 11/22/2019 

Yes, the same instructions can be applied to the Tagelus laterals.
 Reply

 Posted: 11/22/2019 

Thanks, that's what I thought; but, had rather ask to be certain.
 Reply