Originally Posted by Mark Ulmer
Hi, everyone. Last week, I was camping with my Rockwood MiniLite 2109S in a state park that had no water hookup. So, I filled my freshwater tank and turned on the water pump. Everything worked fine. However, just occasionally (maybe once or twice a day), I would hear the water pump running even though I wasn't asking for any water. When this happened, it would only run for a second or so and then shut off right away. I checked for dripping faucets, but they were all securely closed. I also checked as best I could for leaks in any water lines, but couldn't find any. Any idea why this happens?
x2 on the check valve leak.
If you looked at an exploded view of the pump, you see the inlet and outlet check valves are most often an umbrella style. Outlet check valve holds line pressure as does your city water check valve. If you see no leakage from city water fill (or its capped off)and none from your faucets, connections or terlit, that is most likely what you're looking at. Depens how annoying that seepage is to you whether you fix it or ignore it