You guys rock! I don't care WHAT those Forrest River owners say about you!
So - it appears that for the front tank, I should be good.
And - for the rear - my only real exposure (if it's installed backwards) is the small length between tank and inlet. It's only a couple of inches from what I can see, less than a foot between inlet and rear tank.
We're heading to Florida next weekend to stay with Jamie's brother for a week or so. I'll try to dismantle it and get it squared away while down there in the warmth!