Quote:
Originally Posted by Fattman-Litlboy
Has anyone looked down into the bathroom Grey/Black vents from the roof after removing caps and if so, did you see plywood 8 inches down or was it hollow all the way down?
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If you are seeing plywood you are most likely not looking down a tank vent. There are several "vent" caps on pipes that are added at the factory that are there if you want to run wires through the roof for a sat dish or maybe solar panels. Also, the vent caps are not always mounted right above the tanks. We found ours on the 2014 44B towards the back. There were actually 4 vent pipes. You might run a little water in the drains and listen at the caps to see if you can hear it running.