Originally Posted by Justustwo
We have air getting in our water lines on a 2015 Jayco 26BHS also the water pump does not stop running if you run only a small amount of water.
I have the same problem, Jayco suggested that it might be a problem with the bypass on the pump (kicks in at higher pressure to reduce vibration). I replaced the pump with a new one, which made it better but still has the same problem when I use only a small amount of water.
My solution was to install a 2gal pressure tank which gives me about 1-1.2gal of drawdown before the pump kicks in. When the pump does kick in, I let the water run a little extra which seems to allow it to prime and work properly.