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Waterco S600 how do I change the sand - Pool & Spa

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

a 6ya Repairman can help you resolve that issue over the phone in a minute or two.
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Posted on Jan 02, 2017

  • 310 Answers

SOURCE: How do I replace the

Replacement of the sand is easy but there are a couple of things you want to do first.
Make sure you have a good shop-vac, get gloves, and purchase the proper sand.
This sand filter calls for #20 silica filter sand. (this will be available online, at your pool store, or at any water treatment facility).
Here is the link for this filters manual, and for the brochure (which has good pictures)

The manual has step by step instructions on filling and starting the filter.
The only part it doesnt tell you about is how to empty the old filter media.

To start this:
1. turn off circulation pump
2. Bleed any pressure or vacuum from the system using the bleeder valve, or just rotate the multi-port valve.
3. Open the drain valve at the bottom of the filter if there is one (some dont have one)
4. remove the collar between the multiport valve, and the tank. (this should be 2 phillips head screws)
5.Remove the multi-port valve.
you now have access to the sand.
6. Remove sand by whatever means (either a scoop or a good shop-vac with a thick hose)
be sure to be carefull once you get 2/3 of the way down the inside of the tank. There are LATERALS down there that are most likely brittle from chlorine.

Once sand is removed check and clean the laterals at the bottom of the tank.
Clean and flush the filter body and follow the directions in the manual to fill and start-up the filter.

If this helped, please vote positively for me.

Posted on Nov 01, 2010

  • 310 Answers

SOURCE: How to change sand in a Poolrite S600 filter

Here is a link to very thorough instructions.

Here is a link that will take you to a page with the specifications for your filter. This will tell you how much sand and aggregate to use.

Hope this helps.
If it does, please rate me positively

Posted on Nov 01, 2010

  • 1378 Answers

SOURCE: when waterco sand filter is

Thank you for posting your question here on

Since you already replaced the gasket you will need to check two others things: First, inspect the groove the new gasket is sitting in as well as the mating surface of the diffuser. Be sure none of the old gasket is still there. Thoroughly clean all surfaces as well to ensure the new gasket is fully seating in the valve. If that does not cure the leak you will need a closer inspection of the mating surfaces to find a crack. Without any pump pressure on the valve it will be tough to find. It will appear as a hair like line but once the pump is on it will open up enough to let water pass. If you find a crack you can try to use a two-part plastic approved epoxy to seal it or else you will need to replace that part.

If this answer does not fix your problem, please comment with additional details prior to rating the answer. Positive feedback is appreciated once your problem is solved!


Posted on Nov 18, 2010

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1. Check filter base is bolted or 'pinned' to slab/paver. Mine was not.
2.Undo piping connections unions and pull back piping as much as possible to get access to Pump Inlet and Waste connectors.
3. Use two lengths of 25 mm (1 in) HARDWOOD dowel about 600 mm (24 in) long or hammer handles, on each side pushed inside PE body of MPV as far as will go inside each connector.
4. Curse and swear and lever hard anti-clockwise until friction grip of thread releases but valve body not damaged (you hope) and can use hand grip onto valve body to unscrew..
This was the hard part no-one spoke about on the web sites.
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