So I did the thing that was necessary and installed new valterra valves in the gray and black tanks. Only problem was with the little extra tabs for the cable support. They kept getting caught while installing the valves and the bolts and then they leaked. After three trys all is now in place and working.
While I was in the area and had the storage area panels out I noticed that the new valves wanted at least 6" of straight run from the handle before making any turns. When I put the rear panel in it pulled the cable too tight so I cut out a relief for the cables. It is hidden by the white panel surround of the utility area.
http://www.montanaowners.com/forums/...&pictureid=215
I also noticed that the furnace was not connected to the plenum anymore. That is why I did not get any heat last time I used it. Montana only used Al tape to hold the connection together. I used screws.
http://www.montanaowners.com/forums/...&pictureid=214
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