Posted by a reviewer on Amazon

For the self priming ability i must not use the right size tubing 38 od for the self priming abilities

Posted by a reviewer on Amazon

I also admit i may not fully understand the concept of self priming

Posted by a reviewer on Amazon

All of the pumps i have purchased if there is a big enough bubble in the line once that pocket of air reaches the diaphragm it will idle on it until it is forced out by other means

Posted by a reviewer on Amazon

On this point this pump was no worse or better than any others without manual priming assistance when there is a pocket of air in the line

Posted by a reviewer on Amazon

Unfortunately most of my fittings hoses and pipes between my reservoir pump tank and misting nozzels have been what is laying around and what i could find and what fits together at home and the local hardware stores

Posted by a reviewer on Amazon

Coupled together with different parts at different heights the fluid dynamics of my system dont currently like to agree at the pressure switch vs the pressure at the tank

Posted by a reviewer on Amazon

Did have a slow trickle gravity feed from water tank

Posted by a reviewer on Amazon

This too can be considered a good thing since they should be repaired anyways