I have 2006 Keystone Sprinter 5th Wheel...I do very little dry camping...only rare occasions. I'm trying to figure out why I get a whine from my water pump when I'm hooked up to shore water and I'm r...
Paul that is what I thought...I'm kicking myself for not running water inside while I checked that outside before. The whine is directly related to running the water inside though. I don't think my system has a check valve between the city water and the pump as shown in the diagram below...wondering if that is the reason that water pressure is spinning the pump?