leaking grey water when dumping

[linnertz]

My 2014 Sundance is leaking out of the bottom when I dump the grey tanks. This seems to happen only when the tanks are full and the drain is wide open. No leak is observed if the line is left open or if I only open the drain part way.

 

[danemayer]

Hi linnertz,

Welcome to the Heartland Owners Forum.

When tanks are full and you open the gate valves, sometimes the water coming through the drain pipes doesn't go down the sewer fast enough, and it backs up all the way to the tanks. If you had a crack in the top of one of the drain lines, it might do what you're describing.

Have you had any problems after winterizing? If there was water in the sewer lines over the winter, maybe one of the pipes cracked.