Fresh water tank filling by itself
We recently upgraded to a new to us 2002 Sunny Brook Mobile scout. I emptied the fresh water tank about 1 week ago using the pump. Today I noticed water coming out the overflow on the fresh water fill...
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Yep, check valve in pump is leaking. Just went through this. Go to Camping World and buy 1/2" check valve. Go to Home Depot or Lowes and buy the flexible 1/2" to 1/2" flexible line. Unscrew the 1/2" connection from the pump outlet and screw on one end of the flexible line, screw the other end of the flexible line to the check valve (with arrow pointing away from the pump) then screw the line that you took off of the pump to the other end of the check valve. Confusing? This will work.
