My front slide does it too and it is small compared to the FWS. I just retract the slide when I am ready to go and it flows off and down side of coach. On mine, it appears it will only collect so much and then will overflow off on its own.
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Wayne,Janice,and Cody the warrior boxer
2008 Newmar Ventana 3330 350HP ISBXT NVS
2007 Honda CRV, Bue Ox tow,US GEAR brake
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