Black roof vent intentionally plugged
I recently picked up a used 2007 Nash TT and have noticed a strong black tank odor immediately after towing it. Today I removed the existing roof top vent to install a swivel vent and discovered the b...
Forum Discussion
coolmom42 wrote:
Possibly to keep the vent hose from being invaded by dirt daubers and other critters while the RV was not in use.
I don't think so since we don't have much for invasive creatures like mud daubers in Alberta and only one of the the three waste tanks had the vent plugged.
That being said, I guess it's possible they were all sealed and someone simply forgot to unplug one vent.
