I have a 2650 intex sand pump and I backwashed and rinsed after vacuuming and now it is blowing air thru the return it does not have a leak anywhere I am stumped
thanks for any help
You have a suction side air leak. Somewhere between the pump and the skimmer(s), air is being sucked into the system. Find that leak and your issues will be solved.
It could even be sucking air in through the skimmer body if it creates a vortex (mini tornado in the water) or the water level is too low for the skimmer.
I'm on board with Techguy. Since you backwashed the level in the pool will be lower and the pump will create a vortex at the skimmer and suck air in unless you've refilled it to the proper level.
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