Getting Air In System

scott51884

Member
Feb 25, 2010
18
I have a 30x15 AGP with a Proline pump with regular filter and chlorine dispenser. The whole system is about 2.5 years old. Just this year (in the past month) have had a problem of an air pocket forming in the system and it hangs at the basket cleanout on the pump itself. Daily I have to shut the system down, loosen the cap and bleed the air from it. If I don't do it daily it works itself to the filter housing and I have to open the top vent and it will blow air out for a few seconds before I get water. I have no water leaks visible anywhere in the system and the water level is high enough that it's not sucking air down into the pump. I would think if it was a bad gasket that air was sneaking in you would see water coming out when the unit is shut down etc..

Anyone have any suggestions or ideas of where this air is appearing from all of a sudden?

Thanks
 

Bama Rambler

Mod Squad
TFP Expert
LifeTime Supporter
Jun 22, 2009
23,047
SouthWest Alabama
There are only two ways for air to get into the pump basket housing (ok three but intentionally opening it doesn't count :) ). You either have a leak or it's sucking air in through the skimmer. You can have air leak into the system, but not have water leak out.

One very common place to leak air into the system is the pump basket lid. You need to start by cleaning and lubing the o-ring well.
Another common way to get air in it is through the skimmer. If the weir sticks even a little it'll allow the skimmer to suck air in. Also if the water level gets just a little low some skimmers will suck air.
 
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