I really don't think that Forest River would design and build the FW tank fill inlet in this manner if it were going to blow the tank apart when you filled it. Really. I think that those of us who have a screw-on FW fill inlet are fine. Really. Camp more, worry less.
2015 XLR Hyperlite 30HFS5 (mods being performed regularly)
2009 Salem LA 292fkds (gone)
Nights- ('12)23 ('13)23 ('14)15 ('15)31 ('16)25
2014 Harley Davidson FLHX (XLR cargo)
2014 VW Jetta TDI (diesel sipper, camping support vehicle)
2011 Ram 2500 CC 4X4 CTD, B&W Companion (toy hauler hauler)