Question about Hayward SAND FILTER, PRO SERIES

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I have a 7-11 vari-flo valve model sp 312, iam having trouble disconnecting it to change my sand

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The newer models are held on with a collar, just unscrew the to two bolts holding the collar together and it should just lift off. Some just unscrew. You shouldn't have to open the valve what-so-ever. Dump the sand very slowly.

Posted on Sep 05, 2009

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Posted on Jan 02, 2017

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What i she sequence when backwashing---Backwash - Rinse - Wash ? I have a Vari Flo


Backwash until water in the sight glass is clear, shut off the pump and change the valve setting to rinse, turn the pump on for a couple seconds and then back off, change the valve setting to filter and return to normal operation. NEVER move the valve handle while the pump is on.

John

May 05, 2011 | Hayward SAND FILTER, PRO SERIES

1 Answer

Low flow


The model number you give is for the multi port valve. Did you need the valve manual or the filter manual? Go to haywardnet.com for their full line and manuals. Here is the link for the SP0714 valve at their site. It is in PDF format...

Jul 16, 2010 | Hayward SAND FILTER, PRO SERIES

1 Answer

No suction from hayward variflow pro series sand filter


Try these tips. I am guessing that one of these is the reason that your pool filter is not working properly. If you try these suggestions and they don't work, let me know and I will trouble shoot with you again.
1. Check skimmer and pump strainer baskets for debris.
2. Check for restrictions in intake and discharge lines.
3. Check for air leak in intake line (indicated by bubbles returning to pool.
4. Backwash your filter.
5. Be sure Vari-Flo valve is set on “Filter” position.

May 22, 2010 | Hayward SAND FILTER, PRO SERIES

1 Answer

How can I find the installation instructions for


http://www.haywardnet.com/inground/products/displayProd.cfm?ProductID=66

Apr 08, 2010 | Hayward SAND FILTER, PRO SERIES

2 Answers

Hayward vari flo valve


If the spider gasket in the vari-flo valve is no good, you will usually notice one of two problems.

1. Water leaking out backwash port while filter is operating.
2. Valve positions are really difficult to change.

The way to check this is if you are able to move one or two of the "spokes" in the gasket freely(out of the track it sits in) once the top of the valve is removed.

If so you need to replace. The gasket is usually held in with a silicone sealant. Once you remove the old gasket. You will need to scrape any remaining rubber from the track it sits in. I've found that a brass brush from a pluming supply store or home depot along with a flat head screwdriver is usually enough to do the removal.
I always used Permatex Blue RTV sealant on all valve jobs. It can be found at any auto parts store or sometimes Walmart. Follow the instructions for curing. Once cured the gasket is good as new.

Jul 14, 2009 | Hayward SAND FILTER, PRO SERIES

1 Answer

Problem with vari-flo multipoer 1.5 and Hayward DE fiilter


You need a rebuild kit for the valve and possible a sand change. Sand should be changed ever 3 - 5 years or so depending on overall pool conditions.

The gasket inside the valve is out of place and therefore allowing water to leak out the waste port. Use a gokit to replace all the gasket/orings and you should stop the leak.

If the flow is still bad, inspect the sand and change it if necessary.

Jun 26, 2009 | Hayward SAND FILTER, PRO SERIES

1 Answer

Control Valve handle wont stay in position


The valve should be about $100. We sell it for 90 something. You can rebuild them with gaskets and the spring. There should be a model number on yours, care to post it? Something like SP711, SP714, etc.

www.arrowmotor.net

May 29, 2009 | Hayward SAND FILTER, PRO SERIES

1 Answer

Using a hayward vari-flo valve model SP 710x32


Do not drain a vinyl liner pool mor than half way....ever... If you have a fiberglass, or gunite pool it is important to pull the hydrostatic plug under the main drain cover. If you live down a hill, or where there is a high water table, the water pressure underground can lift the empty pool out of the ground (more common in fiberglass pools). If you have a sand or DE filter switch the valve to waste. make sure that you have the skimmer turned off, and the pump is only sucking from the pool main drain (spa drain closed also), and turn the pump on. Make sure the waste hose is far enough away so you dont add any hydrostatic pressure.

Mar 27, 2009 | Hayward 2HP Pool Pump Motor A O Smith...

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