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PureMI
Explorer
Jun 25, 2014

Newbie with question about filling the water tank

Hi everyone...been reading these very informative forums for a few weeks now and I have a question I haven't seen answered.

We recently bought a lightweight TT ("sure, your minivan can tow it", said the salesman...mmm, not so much) and have been out a few times, really enjoying it. But we seem to have an issue with getting the water tank completely full. My DH fills it until water spills out from the filler, but the meter inside never reads full, more like 2/3 full. And we run out of water before we think we should...we're frugal and last time we didn't even take a shower over the 3 days, yet ran totally dry.

So my question is: when filling the tank, is there something else that needs to happen? Should the faucets be opened inside the TT, toilet flushed, to bleed out any air in the pipes, or are we using more water than we think and should ignore the meter, or...?

TIA for any answers. These forums have been so educational!

13 Replies

  • One thing I noticed when we fill our FW tank is if we use a heavy flow it will act like it's full and start to spit out of overflow tube well before it is completely full. We now take our time and use a slower fill rate that allows us to get a max fill in most cases. We also installed an Oxygenics showerhead purchased from CW that uses less water than our stock showerhead while producing a more powerful spray.
  • Meters are notoriously inacurate. Go back to the dealer and make him fix it or show you why it's like that.
  • You need to look at the routing of that vent line.
    They sometimes have a sag in the middle that lets them run water before the tank gets full.
    Yes you are likely using more water than you think and one way a camper is made "lightweight" is smaller tanks - 10 or 15 gallon.
    Good Luck, Mike