Comments on: Hayward PRO Grid D.E. Pool Filter Troubleshooting & Repair

By: wie sieht eine verfahrensdokumentation aus

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By: J-B Chadwick

J-B Chadwick — Fri, 23 Jun 2017 13:27:45 +0000

I need help with my Pro-Grid DE 2420C. I opened the pool, and everything seemed to be operating normally. Once shocked the pool and waited for the liquid chlorine to take effect, most algae had dropped to the bottom, so I got ready to vacuum the pool and it was going well until dark green water came spewing out from the return. No problem, I clean the filter. Now the filter seems to be working in reverse. When I turn the filter on and open the valve on the top of the filter to let air escape as the filter fills, air goes into the filter instead of out, and there is no water movement. The motor works and the impeller is free. Not sure what to do next. Water has turned dark green again and I may never get the pool open. :(

By: John

John — Sun, 28 May 2017 23:17:52 +0000

I cannot find anything on the net that goes beyond holes in the grids for DE bypassing filter. I have recently replastered (6 weeks ago) with pebblesheen. I have a new pump. I have replaced top manifold, all 8 grids, main lid seal, stand pipe o-ring(twice), push pull backwash valve, air bleed valve ass, drain plug, and gauge on my Hayward pro grid DE 3620 with genuine Hayward parts. The water is perfectly clear until water is agitated. It then clouds for 20 sec or so in the area of disturbance then is clear. Upon filter charge After filter clean DE comes from return jets like confetti. When vaced it comes right back through. Pool conditioner passes filter ass well. I have inspected thoroughly and can not find any issues. I and going to replace push pull valve seals tonight. If that doesn’t work then what?
Hayward vs 2303 pump…. DE3630 filter( all new except canister and clamp at this point) all new plumbing, 3way valve, check valve, designated vac line.
Water temp 71 F
CF 3.2 ppm
CC .1 ppm
PH 7.5
Alk 100ppm
Cal hard 140 ppm
CY 41 ppm
TDS 423 ppm
Phosphates *********2500 ppm plus. ********
Add 8 oz orenda or-10000 last night will vac and test tonight. Water already clear again..
I Have maintained this pool on my own for 8 years and have never had filter bypass of any kind!

By: Aleks Szczesniakowski

Aleks Szczesniakowski — Thu, 11 May 2017 20:53:02 +0000

I have a 5 year old hayward de 4820 filter and it seems that i am having to take apart the and wash the filter pads after about 3 months of filtering. It seems that the media is not releasing the de during backwash. Is it time to replace the filter pads?

By: Ashley

Ashley — Fri, 21 Oct 2016 07:37:12 +0000

each time i used to read smaller content which also
clear their motive, and that is also happening with this paragraph
which I am reading here.

By: Bob M

Bob M — Mon, 30 May 2016 22:11:10 +0000

I have a Hayward DE ProGrid and have used it successfully the last three seasons since putting in a new pool. Today, after hooking it all up, I tried to run it but it doesn’t seem to draw water from the pool or send it back out. Pretty sure I have it all connected correctly and filled pool and filter/pump before starting. Have not added DE yet as I thought I needed to wait until water cycled through a few times. The pool is green and I can’t chlorinate until I get the pump and filter going (or can I?)

Any help would be greatly appreciated.

Bob M

By: JC marin

JC marin — Sat, 06 Oct 2012 10:55:22 +0000

I Have a 17″ swim pro filter that has a leal on the thank, is possible to fix it? I tryed epoxic but it breaks again

By: Sue

Sue — Wed, 04 Jul 2012 00:12:09 +0000

cleaned the filter fingers and were no rips or tears yet the filter continues to build pressure and need back washing every 10 min.

By: Mark

Mark — Fri, 18 May 2012 12:57:09 +0000

My water is clear and the Hayward DC filter seems to be running fine. However, when I turn the heater on, a white substance (maybe DE) is coming into the pool. When I don’t run the heater this doesn’t happen. Any suggestions?

By: PAM

PAM — Thu, 17 May 2012 01:10:02 +0000

I have a hayward sp714t1 filter after I backwash filter, rinse and then cut the filter back on there looks to be sand blowing back into the pool throught the jets, we replaced the lateral last year did not cure the problem …could it be the thing on top of the filter that you switch from filter to backwash not sure what it’s called. any suggestions