Question about Hayward SAND FILTER, PRO SERIES
The filter setting works fine, but when I set the filter to backwash, nothing comes out.
Mine was doing the same thing. I had the hoses switched up. I had the hose from the pump connected to the port marked RETURN (on the Hayward vari pump valve). Not good! I also had the return line hose (from pool) connected to the port marked pump. It happens! The problem is I tried EVERYTHING ELSE before I found my error. This includes a trip to Leslie's to buy a brand new multi port valve (good thing they have a return policy) AND changing out my relatively new sand in the filter AND taking apart the vertical tube and each individual flange at the bottom to clean them out. Please check your hoses FIRST if it won't backwash! By the way...I've been a pool owner for 17 years. I think my experience worked against me since I didn't recheck my work at setup.
It might SEEM like your filter is working because you get suction at the skimmer and water rushing thru the return line into the pool. It's not working if your lines are backwards like mine were! My water started turning green!
Posted on Jun 22, 2013
Have you ever had the top valve apart? If so, the postion of the inside diverter was not replaced correctly. Make sure the solid portion of the diverter lines up with the 'Closed" port on the valve. Once this is lined up, everything else will line back up into the correct position.
Posted on Jun 20, 2009
Thanks!!! That was exactly what my problem was. Had our pool for eleven years now and always had a picture to look at. lost the picture over the winter and rushing to get it open for the Fourth of July, I hooked them up backwards. Thanks for the solution.
Posted on Jul 03, 2013
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Posted on Jan 02, 2017
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