Again low pressure

bocman93

Member
Mar 25, 2021
13
Charleston
Something weird with my pump, one day is work good and another day low pressure and air, basket fills just to the half
1) Water level high
2) Skimmer flipper doesn't stuck
3) Just replaced o ring and pump seals
4) No leaks around pump and filter

Also when I close skimmer or drain valve it cause low pressure too (clogged both lines?) So all my lines is always fully open
I research forum and can't find nothing more
Please give me some more recommendations, because I already getting crazy
 

reggiehammond

Gold Supporter
Oct 4, 2020
373
Fort Worth, Texas
Pool Size
30000
Surface
Plaster
Chlorine
Salt Water Generator
SWG Type
CircuPool RJ-60 Plus
Clean filter? A plugged filter can cause all sorts of issues you describe.
 

reggiehammond

Gold Supporter
Oct 4, 2020
373
Fort Worth, Texas
Pool Size
30000
Surface
Plaster
Chlorine
Salt Water Generator
SWG Type
CircuPool RJ-60 Plus
You mean sand filter? If yes, It was replaced in 2019 but I never clean it, just backwash
Might want to pop the top and check condition? There's a great article about deep-cleaning a sand filter in pool school. A lot of non-TFP advised clarifiers / floculants, etc can really gum up the filter to the point of restriction.
 

bocman93

Member
Mar 25, 2021
13
Charleston
My mystery solved!
In one pipe on suction side valve wasn't installed properly so I can't closed it all way
I replaced the valve, closed this pipe and everything work
Now my question is, any ideas where this pipe can go and why sometimes it have air in? (I attached the picture)
 

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