Possible to install larger fresh water tank?
My 5er has an advertised fresh water capacity of 54 gallons. In doing a water test this past summer, in reality it only holds ~ 36 gallons. I called Forest River and they claimed it's actually a 40 ...
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After pulling down the coroplast I noticed that the trusses were spaced approximately four feet apart between the I-beams. And several of those bays, the space between adjacent trusses, were not being utilized. I added another fresh water tank of 42 gallons, and tied it into the existing plumbing, while adding a separate fill and vent line. It works fine.
