Polaris 3900 detaching from hose.

Dec 4, 2016
1
Plano,TX
Hello there,

Looking for advise here.
I got a 3900 in a very good condition from ebay.
I have a booster pump 3/4 hp.
Cleaner gets disconnected from the hose.

I put a pressure disc on the wall fitting. ( that helped a bit )
I have replaced the Connector tip on the hose. ( Helped for a couple of days )
Replaced te o-ring on the receiver
Also the receiver part on the cleaner ( that helped for a couple of weeks ).
Now its getting disconnected every 5 min.

Not sure what's next? Is it the pump? ( too powerful) The hose ( to stiff ?)

Thanks in advance for your feedback.
 
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